APA (7e ed.) Bronvermelding

Boone, D. R. (1983). The voice and voice therapy (3rd ed.). Prentice Hall.

Chicago (17e ed.) Bronvermelding

Boone, Daniel R. The Voice and Voice Therapy. 3rd ed. Englewood Cliffs, NJ: Prentice Hall, 1983.

MLA (9e ed.) Bronvermelding

Boone, Daniel R. The Voice and Voice Therapy. 3rd ed. Prentice Hall, 1983.