Kayes, G. (2004). Singing and the actor (2nd ed.). A. & C. Black.
Chicago Style (17th ed.) ZitazioaKayes, Gillyanne. Singing and the Actor. 2nd ed. London: A. & C. Black, 2004.
MLA (9th ed.) ZitazioaKayes, Gillyanne. Singing and the Actor. 2nd ed. A. & C. Black, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.