1.
Lightbown, P., Spada, N.M.: How languages are learned. Oxford University Press, Oxford (2006).
2.
Gass, Susan M., Selinker, Larry: Second language acquisition: an introductory course. Routledge, London (2008).
3.
Rosamund Mitchell, Florence Myles, Emma Marsden: Second Language Learning Theories. Routledge, London (2013).
4.
Swan, Michael, Smith, Bernard: Learner English: a teacher’s guide to interference and other problems. Cambridge University Press, Cambridge (2001).
5.
Goldschneider, J.M., DeKeyser, R.M.: Explaining the "Natural Order of L2 Morpheme Acquisition” in English: A Meta-analysis of Multiple Determinants. Language Learning. 51, 1–50 (2001). https://doi.org/10.1111/1467-9922.00147.
6.
Ellis, R.: Item versus system learning: explaining free variation. Applied Linguistics. 20, 460–480 (1999). https://doi.org/10.1093/applin/20.4.460.
7.
Norris, J.M., Ortega, L.: Effectiveness of L2 Instruction: A Research Synthesis and Quantitative Meta-analysis. Language Learning. 50, 417–528 (2000). https://doi.org/10.1111/0023-8333.00136.
8.
Ellis, N.C.: AT THE INTERFACE: DYNAMIC INTERACTIONS OF EXPLICIT AND IMPLICIT  LANGUAGE KNOWLEDGE. Studies in Second Language Acquisition. 27, (2005). https://doi.org/10.1017/S027226310505014X.
9.
Ellis, R.: MEASURING IMPLICIT AND EXPLICIT KNOWLEDGE OF A SECOND LANGUAGE: A  Psychometric Study. Studies in Second Language Acquisition. 27, (2005). https://doi.org/10.1017/S0272263105050096.
10.
VANPATTEN, B., CADIERNO, T.: Input Processing and Second Language Acquisition: A Role for Instruction. The Modern Language Journal. 77, 45–57 (1993). https://doi.org/10.1111/j.1540-4781.1993.tb01944.x.
11.
Izumi, S.: Comprehension and Production Processes in Second Language Learning: In Search of the Psycholinguistic Rationale of the Output Hypothesis. Applied Linguistics. 24, 168–196 (2003). https://doi.org/10.1093/applin/24.2.168.
12.
Ammar, A., Spada, N.: ONE SIZE FITS ALL?: Recasts, Prompts, and L2 Learning. Studies in Second Language Acquisition. 28, (2006). https://doi.org/10.1017/S0272263106060268.
13.
Mackey, A., Oliver, R., Leeman, J.: Interactional Input and The Incorporation of Feedback: An Exploration of NS-NNS and NNS-NNS Adult and Child Dyads. Language Learning. 53, 35–66 (2003). https://doi.org/10.1111/1467-9922.00210.
14.
Foster, P.: Negotiation for Meaning and Peer Assistance in Second Language Classrooms. Applied Linguistics. 26, 402–430 (2005). https://doi.org/10.1093/applin/ami014.
15.
Susan Gass: Input, interaction and the second language learner (Chapter 5 the role of interaction).
16.
Mackey, Alison: INPUT, INTERACTION, AND SECOND LANGUAGE DEVELOPMENT. Studies in Second Language Acquisition. 21, 557–587 (2000).
17.
Apllied linguistics - Special issue on accuracy, fluency and complexity: Table of Contents — December 2009, 30 (4).
18.
Foster, P., Tavakoli, P.: Native Speakers and Task Performance: Comparing Effects on Complexity, Fluency, and Lexical Diversity. Language Learning. 59, 866–896 (2009). https://doi.org/10.1111/j.1467-9922.2009.00528.x.
19.
Foster, P.: Measuring spoken language: a unit for all reasons. Applied Linguistics. 21, 354–375 (2000). https://doi.org/10.1093/applin/21.3.354.
20.
Pauline Foster: Rules and routines: a consideration of their role in the task based language production of native and non-native speakers.
21.
Syder, P.: Two puzzles for linguistic theory.
22.
Guo-Qiang Liu, E.T.: Situational context, variation and second language acquisition theory.
23.
Ellis, R.: Task-based research and language pedagogy. Language Teaching Research. 4, 193–220 (2000). https://doi.org/10.1177/136216880000400302.
24.
Doughty, C., Long, M.H.: The handbook of second language acquisition. Blackwell, Malden, Mass (2005).
25.
Herschensohn, Julia Rogers, Young-Scholten, Martha: The Cambridge handbook of second language acquisition. Cambridge University Press, Cambridge (2013).
26.
De Bot, Kees, Lowie, Wander, Verspoor, Marjolyn: Second language acquisition: an advanced resource book. Routledge, London (2005).
27.
Bygate, Martin, Skehan, Peter, Swain, Merrill: Researching pedagogic tasks: second language learning, teaching and testing. Longman, Harlow (2000).
28.
Ellis, Rod: Task-based language learning and teaching. Oxford University Press, Oxford (2003).
29.
Gass, Susan: Input, interaction, and the second language learner. Lawrence Erlbaum, Mahwah, N.J. (1997).
30.
Robinson, Peter: Cognition and second language instruction. Cambridge University Press, Cambridge (2001).
31.
Schmidt, Richard W., University of Hawaii at Manoa: Attention and awareness in foreign language learning. Second Language Teaching & Curriculum Center, University of Hawai’i at Mānoa, Hawaii (1995).
32.
Skehan, Peter: A cognitive approach to language learning. Oxford University Press, Oxford (1998).
33.
Advanced Search: EBSCOhost, http://web.a.ebscohost.com/ehost/search/advanced?sid=af51e01d-0a92-431d-8a9e-b100a2d899f2%40sessionmgr4006&vid=0&hid=4002.
34.
Applied Linguistics.
35.
Language Learning.
36.
Language Teaching Research.
37.
Studies in Second Language Acquisition.
38.
TESOL Quarterly.