Corey, M. S., Corey, G., & Corey, C. (2018). Groups: Process and practice (10th ed.). Cengage Learning.
芝加哥风格引文Corey, Marianne Schneider, Gerald Corey, 与 Cindy Corey. Groups: Process and Practice. 10th ed. San Francisco, CA: Cengage Learning, 2018.
MLA引文Corey, Marianne Schneider, et al. Groups: Process and Practice. 10th ed. Cengage Learning, 2018.
警告：这些引文格式不一定是100％准确.