APA (7e ed.) Bronvermelding

Kitt, T., & Yorkey, B. (2009). Vocal selections from Next to normal: An original musical. Alfred.

Chicago (17e ed.) Bronvermelding

Kitt, Tom, en Brian Yorkey. Vocal Selections from Next to Normal: An Original Musical. Van Nuys, CA: Alfred, 2009.

MLA (9e ed.) Bronvermelding

Kitt, Tom, en Brian Yorkey. Vocal Selections from Next to Normal: An Original Musical. Alfred, 2009.