Dyfyniad APA

Gershwin, G., & Gershwin, I. (1930). They All Laughed. Alfred Publishing Co., Inc..

Dyfyniad Arddull Chicago

Gershwin, George, and Ira Gershwin. They All Laughed. Louisville, United States: Alfred Publishing Co., Inc., 1930.

Dyfyniad MLA

Gershwin, George, and Ira Gershwin. They All Laughed. Alfred Publishing Co., Inc., 1930.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.