APA (7e ed.) Bronvermelding

Colton, R. H., Casper, J. K., & Leonard, R. (2006). Understanding voice problems: A physiological perspective for diagnosis and treatment (3rd ed.). Lippincott Williams & Wilkins.

Chicago (17e ed.) Bronvermelding

Colton, Raymond H., Janina K. Casper, en Rebecca Leonard. Understanding Voice Problems: A Physiological Perspective for Diagnosis and Treatment. 3rd ed. Philadelphia, Pa. ; London: Lippincott Williams & Wilkins, 2006.

MLA (9e ed.) Bronvermelding

Colton, Raymond H., et al. Understanding Voice Problems: A Physiological Perspective for Diagnosis and Treatment. 3rd ed. Lippincott Williams & Wilkins, 2006.