Dyfyniad APA

Bellak, L. (1952). Manic-depressive psychosis and allied conditions. Grune & Stratton.

Dyfyniad Arddull Chicago

Bellak, Leopold. Manic-depressive Psychosis and Allied Conditions. New York: Grune & Stratton, 1952.

Dyfyniad MLA

Bellak, Leopold. Manic-depressive Psychosis and Allied Conditions. Grune & Stratton, 1952.

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