APA
Sharf R., Sharf R. S., . (2000). Theories of psychotherapy and counselling. U.S.A: Wadsworth Publishing Company # Brooks/Cole Publishing.
Chicago
Sharf Richard.S, Sharf Richard S, . 2000. Theories of psychotherapy and counselling. U.S.A: Wadsworth Publishing Company # Brooks/Cole Publishing.
Harvard
Sharf R., Sharf R. S., . (2000). Theories of psychotherapy and counselling. U.S.A: Wadsworth Publishing Company # Brooks/Cole Publishing.
MLA
Sharf Richard.S, Sharf Richard S, . Theories of psychotherapy and counselling. U.S.A: Wadsworth Publishing Company # Brooks/Cole Publishing. 2000.