Kitt, T., & Yorkey, B. (2009). Vocal selections from Next to normal: An original musical. Alfred.
Lua i Stíl Chicago (17ú heag.)Kitt, Tom, agus Brian Yorkey. Vocal Selections from Next to Normal: An Original Musical. Van Nuys, CA: Alfred, 2009.
Lua MLA (9ú heag.)Kitt, Tom, agus Brian Yorkey. Vocal Selections from Next to Normal: An Original Musical. Alfred, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.