APA (7th ed.) Zitazioa

Nelson, J. (2017). The voice exercise book: A guide to healthy and effective voice use. National Theatre Publishing.

Chicago Style (17th ed.) Zitazioa

Nelson, Jeannette. The Voice Exercise Book: A Guide to Healthy and Effective Voice Use. London: National Theatre Publishing, 2017.

MLA (9th ed.) Zitazioa

Nelson, Jeannette. The Voice Exercise Book: A Guide to Healthy and Effective Voice Use. National Theatre Publishing, 2017.