APA-Zitierstil (7. Ausg.)

Corey, G. (2008). Theory and practice of group counseling (7th ed.). Thomson Brooks.

Chicago-Zitierstil (17. Ausg.)

Corey, Gerald. Theory and Practice of Group Counseling. 7th ed. Australia: Thomson Brooks, 2008.

MLA-Zitierstil (9. Ausg.)

Corey, Gerald. Theory and Practice of Group Counseling. 7th ed. Thomson Brooks, 2008.