Citazione Stile APA (7a Edizione)

Corey, G. (2004). Group techniques (3rd ed.). Brooks/Cole-Thomson Learning.

Citazione stile Chigago Style (17a edizione)

Corey, Gerald. Group Techniques. 3rd ed. Pacific Grove, Calif: Brooks/Cole-Thomson Learning, 2004.

Citatione MLA (9a ed.)

Corey, Gerald. Group Techniques. 3rd ed. Brooks/Cole-Thomson Learning, 2004.