APA (7th ed.) Zitazioa

GURREY, P. (1955). Teaching English as a foreign language. Longman.

Chicago Style (17th ed.) Zitazioa

GURREY, P. Teaching English as a Foreign Language. London: Longman, 1955.

MLA (9th ed.) Zitazioa

GURREY, P. Teaching English as a Foreign Language. Longman, 1955.