Mackey, A., & Gass, S. M. (2005). Second language research: Methodology and design. Lawrence Erlbaum ; Routledge.
Čikaški stil citiranja (17. izdanje)Mackey, Alison, i Susan M. Gass. Second Language Research: Methodology and Design. Mahwah, NJ : New York: Lawrence Erlbaum ; Routledge, 2005.
MLA način citiranja (8. izdanje)Mackey, Alison, i Susan M. Gass. Second Language Research: Methodology and Design. Lawrence Erlbaum ; Routledge, 2005.
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