VanPatten, B., Keating, G. D., & Wulff, S. (2020). Theories in second language acquisition: An introduction (Third edition.). Routledge.
Chicago Style (17. basım) AtıfVanPatten, Bill, Gregory D. Keating, ve Stefanie Wulff. Theories in Second Language Acquisition: An Introduction. Third edition. New York, USA: Routledge, 2020.
MLA (9th ed.) AtıfVanPatten, Bill, et al. Theories in Second Language Acquisition: An Introduction. Third edition. Routledge, 2020.
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