Mackey, A., & Gass, S. M. (2016). Second language research: Methodology and design. New York: Routledge.
Chicago Style aipamenaMackey, Alison, và Susan M. Gass. Second Language Research: Methodology and Design. New York: Routledge, 2016.
MLA aipamenaMackey, Alison, và Susan M. Gass. Second Language Research: Methodology and Design. New York: Routledge, 2016.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.