APA (7e ed.) Bronvermelding

Strouse, C. (2004). Once upon a time: For SSAA a cappella. Hal Leonard.

Chicago (17e ed.) Bronvermelding

Strouse, Charles. Once upon a Time: For SSAA a Cappella. Milwaukee, Wis: Hal Leonard, 2004.

MLA (9e ed.) Bronvermelding

Strouse, Charles. Once upon a Time: For SSAA a Cappella. Hal Leonard, 2004.