Sharf, R. S. (2008). Theories of psychotherapy and counseling: Concepts and cases (4th ed.). Thomson/Brooks/Cole.
Lua i Stíl Chicago (17ú heag.)Sharf, Richard S. Theories of Psychotherapy and Counseling: Concepts and Cases. 4th ed. Australia United States: Thomson/Brooks/Cole, 2008.
Lua MLA (9ú heag.)Sharf, Richard S. Theories of Psychotherapy and Counseling: Concepts and Cases. 4th ed. Thomson/Brooks/Cole, 2008.
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