APA (7th ed.) Zitazioa

Allen, M., Malde, M., & Zeller, K. A. (2009). What every singer needs to know about the body. Plural Pub..

Chicago Style (17th ed.) Zitazioa

Allen, MaryJean, Melissa Malde, eta Kurt Alexander Zeller. What Every Singer Needs to Know About the Body. San Diego, CA: Plural Pub., 2009.

MLA (9th ed.) Zitazioa

Allen, MaryJean, et al. What Every Singer Needs to Know About the Body. Plural Pub., 2009.