APA (7th ed.) Zitazioa
Corey, G. (2012). Theory & practice of group counseling (8th ed.). Brooks/Cole, Cengage Learning.
Chicago Style (17th ed.) Zitazioa
Corey, Gerald. Theory & Practice of Group Counseling. 8th ed. Belmont, CA: Brooks/Cole, Cengage Learning, 2012.
MLA (9th ed.) Zitazioa
Corey, Gerald. Theory & Practice of Group Counseling. 8th ed. Brooks/Cole, Cengage Learning, 2012.
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