Cita APA (7th ed.)

Walters, R. (2000). Soprano (Rev. ed.). Hal Leonard.

Cita Chicago (17th ed.)

Walters, Richard. Soprano. Rev. ed. Milwaukee, Wis.: Hal Leonard, 2000.

Cita MLA (8th ed.)

Walters, Richard. Soprano. Rev. ed. Hal Leonard, 2000.