APA (7th ed.) Zitazioa

Hornby, A. S. (1964). Oxford progressive english alterntive course: Book a teacher's handbook. U.pr..

Chicago Style (17th ed.) Zitazioa

Hornby, A. S. Oxford Progressive English Alterntive Course: Book a Teacher's Handbook. London: U.pr., 1964.

MLA (9th ed.) Zitazioa

Hornby, A. S. Oxford Progressive English Alterntive Course: Book a Teacher's Handbook. U.pr., 1964.