APA aipamena

Widdowson, H. G. (1978). Teaching language as communication. Oxford: Oxford University Press.

Chicago Style aipamena

Widdowson, H. G. Teaching Language As Communication. Oxford: Oxford University Press, 1978.

MLA aipamena

Widdowson, H. G. Teaching Language As Communication. Oxford: Oxford University Press, 1978.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.