Schafer, W. E. (2000). Stress management for wellness (4th ed.). Thomson/Wadsworth.
Cita Chicago (17th ed.)Schafer, Walter E. Stress Management for Wellness. 4th ed. Australia: Thomson/Wadsworth, 2000.
Cita MLA (9th ed.)Schafer, Walter E. Stress Management for Wellness. 4th ed. Thomson/Wadsworth, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.