John, E., Hall, L., & Huff, M. (2009). Billy Ellot Musicals. Hal Leonard.
Lua i Stíl Chicago (17ú heag.)John, Elton, Lee Hall, agus Mac Huff. Billy Ellot Musicals. Hal Leonard, 2009.
Lua MLA (9ú heag.)John, Elton, et al. Billy Ellot Musicals. Hal Leonard, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.