Gershwin, G., & Gershwin, I. (1930). They All Laughed. Alfred Publishing Co., Inc..
Lua i Stíl Chicago (17ú heag.)Gershwin, George, agus Ira Gershwin. They All Laughed. Louisville, United States: Alfred Publishing Co., Inc., 1930.
Lua MLA (9ú heag.)Gershwin, George, agus Ira Gershwin. They All Laughed. Alfred Publishing Co., Inc., 1930.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.