Gaya APA

Mackey, A., Gass, S, M. (2005). Second language research: Methodology and design . Mahwah: Lawrence Erlbaum Associates, Publisher.

Gaya MLA

Mackey, Alison., Gass, Susan, M.. "Second language research: Methodology and design". Mahwah: Lawrence Erlbaum Associates, Publisher, 2005. Text.