Cita APA (7th ed.)

Boone, D. R., & McFarlane, S. C. (2000). The voice and voice therapy (6th ed.). Allyn and Bacon.

Cita Chicago (17th ed.)

Boone, Daniel R., i Stephen C. McFarlane. The Voice and Voice Therapy. 6th ed. Boston: Allyn and Bacon, 2000.

Cita MLA (9th ed.)

Boone, Daniel R., i Stephen C. McFarlane. The Voice and Voice Therapy. 6th ed. Allyn and Bacon, 2000.