Dyfyniad APA

O'Neill, E. G. (1988). Complete plays 1920 - 1931. New York, NY: The Library of America.

Dyfyniad Arddull Chicago

O'Neill, Eugene Gladstone. Complete Plays 1920 - 1931. New York, NY: The Library of America, 1988.

Dyfyniad MLA

O'Neill, Eugene Gladstone. Complete Plays 1920 - 1931. New York, NY: The Library of America, 1988.

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