Corey, G. (1996). Theory and practice of counseling and psychotherapy. Brooks / Cole.
Chicago-viite (17. p.)Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. California: Brooks / Cole, 1996.
MLA-viite (9. p.)Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. Brooks / Cole, 1996.
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