Corey, M. S., & Corey, G. (2002). Groups: Process and practice (6th ed.). Brooks/Cole-Thomson Learning.
Chicago-стиль цитированияCorey, Marianne Schneider, and Gerald Corey. Groups: Process and Practice. 6th ed. Australia ; Pacific Grove, CA: Brooks/Cole-Thomson Learning, 2002.
MLA-цитированиеCorey, Marianne Schneider, and Gerald Corey. Groups: Process and Practice. 6th ed. Brooks/Cole-Thomson Learning, 2002.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.