APA引文

Widdowson, H. G. (1995). Principle & practice in applied linguistics. Oxford: Oxford University Press.

Trích dẫn kiểu Chicago

Widdowson, H. G. Principle & Practice in Applied Linguistics. Oxford: Oxford University Press, 1995.

MLA引文

Widdowson, H. G. Principle & Practice in Applied Linguistics. Oxford: Oxford University Press, 1995.

警告：这些引文格式不一定是100％准确.