Corey, M. S., Corey, G., & Corey, C. (2018). Groups: Process and practice (Tenth edition.). Cengage Learning.
Chicagoスタイル(17版)引用形式Corey, Marianne Schneider, Gerald Corey, , Cindy Corey. Groups: Process and Practice. Tenth edition. Australia: Cengage Learning, 2018.
MLA(9版)引用形式Corey, Marianne Schneider, et al. Groups: Process and Practice. Tenth edition. Cengage Learning, 2018.
警告: この引用は必ずしも正確ではありません.