Dyfyniad APA

Davis, M. (1982). The relaxation and stress reduction workbook (2nd ed.). New Harbinger.

Dyfyniad Arddull Chicago

Davis, Martha. The Relaxation and Stress Reduction Workbook. 2nd ed. Oakland, CA: New Harbinger, 1982.

Dyfyniad MLA

Davis, Martha. The Relaxation and Stress Reduction Workbook. 2nd ed. New Harbinger, 1982.

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