Berry, C. (1991). Voice and the actor (1st Collier Books ed.). Collier Books.
Chicago-referens (17:e uppl.)Berry, Cicely. Voice and the Actor. 1st Collier Books ed. New York: Collier Books, 1991.
MLA-referens (9:e uppl.)Berry, Cicely. Voice and the Actor. 1st Collier Books ed. Collier Books, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.