Guettel, A. (2005). The Beauty Is. Hal Leonard Music Publishing.
Lua i Stíl Chicago (17ú heag.)Guettel, Adam. The Beauty Is. Wisconsin, United States: Hal Leonard Music Publishing, 2005.
Lua MLA (9ú heag.)Guettel, Adam. The Beauty Is. Hal Leonard Music Publishing, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.