APA-referens (7:e uppl.)

Schwartz, S., Holzman, W., & Maguire, G. (2003). Wicked: A new musical ; piano, vocal selections (Piano/vocal selections.). Hal Leonard.

Chicago-referens (17:e uppl.)

Schwartz, Stephen, Winnie Holzman, och Gregory Maguire. Wicked: A New Musical ; Piano, Vocal Selections. Piano/vocal selections. Milwaukee, Wisc: Hal Leonard, 2003.

MLA-referens (9:e uppl.)

Schwartz, Stephen, et al. Wicked: A New Musical ; Piano, Vocal Selections. Piano/vocal selections. Hal Leonard, 2003.