APA (7th ed.) Zitazioa

Berry, C. (1973). Voice and the actor. Harrap.

Chicago Style (17th ed.) Zitazioa

Berry, Cicely. Voice and the Actor. London: Harrap, 1973.

MLA (9th ed.) Zitazioa

Berry, Cicely. Voice and the Actor. Harrap, 1973.