Waughfield, C. G. (1998). Mental health concepts (4th ed.). Delmar.
Lua i Stíl Chicago (17ú heag.)Waughfield, Claire G. Mental Health Concepts. 4th ed. Albany: Delmar, 1998.
Lua MLA (8ú heag.)Waughfield, Claire G. Mental Health Concepts. 4th ed. Delmar, 1998.
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