APA (7th ed.) Zitazioa

Wilkins, D. A. (1974). Second-language learning and teaching. Edward Arnold.

Chicago Style (17th ed.) Zitazioa

Wilkins, D. A. Second-language Learning and Teaching. Londres: Edward Arnold, 1974.

MLA (9th ed.) Zitazioa

Wilkins, D. A. Second-language Learning and Teaching. Edward Arnold, 1974.