APA (7 वां संस्करण) प्रशस्ति पत्र
Corey, M. S., Corey, G., & Corey, C. (2016). Groups: Process and practice (10th edition.). Cengage Learning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Corey, Marianne Schneider, Gerald Corey, और Cindy Corey. Groups: Process and Practice. 10th edition. San Francisco, CA: Cengage Learning, 2016.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Corey, Marianne Schneider, et al. Groups: Process and Practice. 10th edition. Cengage Learning, 2016.
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