APA (7e ed.) Bronvermelding

Flaherty, S., Ahrens, L., & Guy, R. (1990). Once on this island: A new musical. Alfred Publishing Co..

Chicago (17e ed.) Bronvermelding

Flaherty, Stephen, Lynn Ahrens, en Rosa Guy. Once on This Island: A New Musical. Van Nuys, CA: Alfred Publishing Co., 1990.

MLA (9e ed.) Bronvermelding

Flaherty, Stephen, et al. Once on This Island: A New Musical. Alfred Publishing Co., 1990.