APA aipamena

Mackey, A., & Gass, S. M. (2016). Second language research: Methodology and design. New York: Routledge.

Chicago Style aipamena

Mackey, Alison, và Susan M. Gass. Second Language Research: Methodology and Design. New York: Routledge, 2016.

MLA aipamena

Mackey, Alison, và Susan M. Gass. Second Language Research: Methodology and Design. New York: Routledge, 2016.

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