Cunningham, J. B. (2000). The stress management sourcebook (2nd ed.). Lowell House.
Lua i Stíl Chicago (17ú heag.)Cunningham, J. Barton. The Stress Management Sourcebook. 2nd ed. Los Angeles: Lowell House, 2000.
Lua MLA (9ú heag.)Cunningham, J. Barton. The Stress Management Sourcebook. 2nd ed. Lowell House, 2000.
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