Gaya APA

Principle and practice in applied linguistics : studies in honour of H. G. Widdowson / editors: Guy Cook, Barbara Seidlhofer. (2010). Oxford: Oxford University press.

Gaya MLA

Principle and practice in applied linguistics : studies in honour of H. G. Widdowson / editors: Guy Cook, Barbara Seidlhofer. . Oxford: Oxford University press, 2010. Buku.