APA-referens (7:e uppl.)

Purdy, S. (2021). Flop musicals of the twenty first century (Second edition.). Routledge.

Chicago-referens (17:e uppl.)

Purdy, Stephen. Flop Musicals of the Twenty First Century. Second edition. Abingdon, Oxon ; New York, NY: Routledge, 2021.

MLA-referens (9:e uppl.)

Purdy, Stephen. Flop Musicals of the Twenty First Century. Second edition. Routledge, 2021.