Schafer, W. E. (2000). Stress management for wellness (4th ed.). Thomson/Wadsworth.
Dyfyniad Arddull ChicagoSchafer, Walter E. Stress Management for Wellness. 4th ed. Australia: Thomson/Wadsworth, 2000.
Dyfyniad MLASchafer, Walter E. Stress Management for Wellness. 4th ed. Thomson/Wadsworth, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.