APA ציטוט

Widdowson, H. G. (1999). Aspects of language teaching. New York, N.Y: Oxford University Press.

Trích dẫn kiểu Chicago

Widdowson, H. G. Aspects of Language Teaching. New York, N.Y: Oxford University Press, 1999.

ציטוט MLA

Widdowson, H. G. Aspects of Language Teaching. New York, N.Y: Oxford University Press, 1999.