APA (7th ed.) Zitazioa
Corey, G. (2017). Theory and practice of counseling and psychotherapy (10th ed.). Cengage Learning.
Chicago Style (17th ed.) Zitazioa
Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. 10th ed. Belmont, CA: Cengage Learning, 2017.
MLA (9th ed.) Zitazioa
Corey, Gerald. Theory and Practice of Counseling and Psychotherapy. 10th ed. Cengage Learning, 2017.
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