Schwartz, S., Holzman, W., & Maguire, G. (2003). Wicked: A new musical ; piano, vocal selections (Piano/vocal selections.). Hal Leonard.
Lua i Stíl Chicago (17ú heag.)Schwartz, Stephen, Winnie Holzman, agus Gregory Maguire. Wicked: A New Musical ; Piano, Vocal Selections. Piano/vocal selections. Milwaukee, Wisc: Hal Leonard, 2003.
Lua MLA (9ú heag.)Schwartz, Stephen, et al. Wicked: A New Musical ; Piano, Vocal Selections. Piano/vocal selections. Hal Leonard, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.