Sondheim, S. (1973). Send in the Clowns. Hal Leonard Music Publishing.
Lua i Stíl Chicago (17ú heag.)Sondheim, Stephen. Send in the Clowns. Wisconsin, United States: Hal Leonard Music Publishing, 1973.
Lua MLA (9ú heag.)Sondheim, Stephen. Send in the Clowns. Hal Leonard Music Publishing, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.