APA-referens (7:e uppl.)

Rodgers, R., & Hammerstein, O., II. (2004). Oklahoma!: Vocal selections (Rev. ed.). Williamson Music ; Distributed by Hal Leonard.

Chicago-referens (17:e uppl.)

Rodgers, Richard, och Oscar Hammerstein, II. Oklahoma!: Vocal Selections. Rev. ed. [New York] : Milwaukee, WI: Williamson Music ; Distributed by Hal Leonard, 2004.

MLA-referens (9:e uppl.)

Rodgers, Richard, och Oscar Hammerstein, II. Oklahoma!: Vocal Selections. Rev. ed. Williamson Music ; Distributed by Hal Leonard, 2004.