Mackey, A., & Gass, S. M. (2005). Second language research: Methodology and design. Lawrence Erlbaum ; Routledge.
Cita Chicago (17th ed.)Mackey, Alison, i Susan M. Gass. Second Language Research: Methodology and Design. Mahwah, NJ : New York: Lawrence Erlbaum ; Routledge, 2005.
Cita MLA (8th ed.)Mackey, Alison, i Susan M. Gass. Second Language Research: Methodology and Design. Lawrence Erlbaum ; Routledge, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.