Cita APA (7th ed.)
Corey, G., & Corey, M. S. (2006). Groups: Process and practice (7th ed.). Thomson Brooks/Cole Pub. Co..
Cita Chicago (17th ed.)
Corey, Gerald, i Marianne Schneider Corey. Groups: Process and Practice. 7th ed. Australia: Thomson Brooks/Cole Pub. Co., 2006.
Cita MLA (9th ed.)
Corey, Gerald, i Marianne Schneider Corey. Groups: Process and Practice. 7th ed. Thomson Brooks/Cole Pub. Co., 2006.
Atenció: Aquestes cites poden no estar 100% correctes.