APA-viite (7. p.)
Corey, M. S., Corey, G., & Corey, C. (2016). Groups: Process and practice (10th edition.). Cengage Learning.
Chicago-viite (17. p.)
Corey, Marianne Schneider, Gerald Corey, ja Cindy Corey. Groups: Process and Practice. 10th edition. San Francisco, CA: Cengage Learning, 2016.
MLA-viite (9. p.)
Corey, Marianne Schneider, et al. Groups: Process and Practice. 10th edition. Cengage Learning, 2016.
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