Gass, S. M., Behney, J., & Plonsky, L. (2020). Second language acquisition: An introductory course (Fifth edition.). Taylor & Francis Group.
Chicago Style (17. basım) AtıfGass, Susan M., Jennifer Behney, ve Luke Plonsky. Second Language Acquisition: An Introductory Course. Fifth edition. New York, USA: Taylor & Francis Group, 2020.
MLA (9th ed.) AtıfGass, Susan M., et al. Second Language Acquisition: An Introductory Course. Fifth edition. Taylor & Francis Group, 2020.
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