APA (7th ed.) Zitazioa

Corey, G. (1985). Theory and practice of group counselling (2nd ed.). Brooks/Cole Publishing.

Chicago Style (17th ed.) Zitazioa

Corey, Gerald. Theory and Practice of Group Counselling. 2nd ed. California.: Brooks/Cole Publishing, 1985.

MLA (9th ed.) Zitazioa

Corey, Gerald. Theory and Practice of Group Counselling. 2nd ed. Brooks/Cole Publishing, 1985.