Citazione Stile APA (7a Edizione)

Corey, G. (2012). Theory & practice of group counseling (8th ed.). Brooks/Cole, Cengage Learning.

Citazione stile Chigago Style (17a edizione)

Corey, Gerald. Theory & Practice of Group Counseling. 8th ed. Belmont, CA: Brooks/Cole, Cengage Learning, 2012.

Citatione MLA (9a ed.)

Corey, Gerald. Theory & Practice of Group Counseling. 8th ed. Brooks/Cole, Cengage Learning, 2012.