Dyfyniad APA

Group for the Advancement of Psychiatry. (1956). Symposium. The Group, Publication Office.

Dyfyniad Arddull Chicago

Group for the Advancement of Psychiatry. Symposium. New York, N.Y.: The Group, Publication Office, 1956.

Dyfyniad MLA

Group for the Advancement of Psychiatry. Symposium. The Group, Publication Office, 1956.

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