APA (7th ed.) Zitazioa
Corey, G. (2009). Theory and practice of counseling and psychotherapy (8th ed.). Brooks/Cole.
Chicago Style (17th ed.) Zitazioa
Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. 8th ed. Australia: Brooks/Cole, 2009.
MLA (9th ed.) Zitazioa
Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. 8th ed. Brooks/Cole, 2009.
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