Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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