Corey, G., & Corey, M. S. (1992). Group techniques (2nd ed.). Brooks / Cole.
芝加哥风格引文Corey, Gerald, 与 Marianne S. Corey. Group Techniques. 2nd ed. California: Brooks / Cole, 1992.
MLA引文Corey, Gerald, 与 Marianne S. Corey. Group Techniques. 2nd ed. Brooks / Cole, 1992.
警告：这些引文格式不一定是100％准确.