APA (7th ed.) Zitazioa

Cookman, S., & DeVore, K. (2009). The voice book: Caring for, protecting, and improving your voice. Chicago Review Press.

Chicago Style (17th ed.) Zitazioa

Cookman, Starr, eta Kate DeVore. The Voice Book: Caring for, Protecting, and Improving Your Voice. Chicago, Ill.: Chicago Review Press, 2009.

MLA (9th ed.) Zitazioa

Cookman, Starr, eta Kate DeVore. The Voice Book: Caring for, Protecting, and Improving Your Voice. Chicago Review Press, 2009.