Walt schafer. (2000). Stress management for wellness (Ed.4.). Thomson wadsworth.
Chicago Style aipamenaWalt schafer. Stress Management for Wellness. Ed.4. Australia: Thomson wadsworth, 2000.
MLA aipamenaWalt schafer. Stress Management for Wellness. Ed.4. Thomson wadsworth, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.