APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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