Dyfyniad APA

Knaus, W. J. (2006). The cognitive behavioral workbook for depression: A step-by-step program. New Harbinger Publications.

Dyfyniad Arddull Chicago

Knaus, William J. The Cognitive Behavioral Workbook for Depression: A Step-by-step Program. Oakland, CA: New Harbinger Publications, 2006.

Dyfyniad MLA

Knaus, William J. The Cognitive Behavioral Workbook for Depression: A Step-by-step Program. New Harbinger Publications, 2006.

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