Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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