Corey, G. (1990). Theory and practice of group counselling (3rd ed.). Brooks/Cole Publishing.
芝加哥风格引文Corey, Gerald. Theory and Practice of Group Counselling. 3rd ed. California.: Brooks/Cole Publishing, 1990.
MLA引文Corey, Gerald. Theory and Practice of Group Counselling. 3rd ed. Brooks/Cole Publishing, 1990.
警告：这些引文格式不一定是100％准确.