Dyfyniad APA

Ludwing, A. M. (1980). Principles of clinical psychiatry. The Free Press.

Dyfyniad Arddull Chicago

Ludwing, Arnold M. Principles of Clinical Psychiatry. The Free Press, 1980.

Dyfyniad MLA

Ludwing, Arnold M. Principles of Clinical Psychiatry. The Free Press, 1980.

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