APA-Zitierstil (7. Ausg.)

Gazda, G. M. (1989). Group counseling: A developmental approach (4th ed.). Allyn and Bacon.

Chicago-Zitierstil (17. Ausg.)

Gazda, George M. Group Counseling: A Developmental Approach. 4th ed. Boston, Mass [u.a.]: Allyn and Bacon, 1989.

MLA-Zitierstil (8. Ausg.)

Gazda, George M. Group Counseling: A Developmental Approach. 4th ed. Allyn and Bacon, 1989.