APA (7th ed.) Zitazioa

Berry, C. (1991). Voice and the actor (1st Collier Books ed.). Collier Books.

Chicago Style (17th ed.) Zitazioa

Berry, Cicely. Voice and the Actor. 1st Collier Books ed. New York: Collier Books, 1991.

MLA (9th ed.) Zitazioa

Berry, Cicely. Voice and the Actor. 1st Collier Books ed. Collier Books, 1991.