APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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