Gaya APA

Cook, G., Seidlhofer, B. (1995). Principle & practice in applied linguistics : studies in honour of H. G. Widdowson . Oxford: Oxford University Press.

Gaya MLA

Cook, Guy., Seidlhofer, Barbara. "Principle & practice in applied linguistics : studies in honour of H. G. Widdowson". Oxford: Oxford University Press, 1995. Text.