Corey, M. S., & Corey, G. (2002). Groups: Process and practice (6th ed.). Australia ; Pacific Grove, CA: Brooks/Cole-Thomson Learning.
Παραπομπή Chicago StyleCorey, Marianne Schneider, και Gerald Corey. Groups: Process and Practice. 6th ed. Australia ; Pacific Grove, CA: Brooks/Cole-Thomson Learning, 2002.
Παραπομπή MLACorey, Marianne Schneider, και Gerald Corey. Groups: Process and Practice. 6th ed. Australia ; Pacific Grove, CA: Brooks/Cole-Thomson Learning, 2002.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.