APA-referens (7:e uppl.)

Sondheim, S. (1973). Send in the Clowns. Hal Leonard Music Publishing.

Chicago-referens (17:e uppl.)

Sondheim, Stephen. Send in the Clowns. Wisconsin, United States: Hal Leonard Music Publishing, 1973.

MLA-referens (9:e uppl.)

Sondheim, Stephen. Send in the Clowns. Hal Leonard Music Publishing, 1973.