Diedrich, R. C. (1972). Group procedures: purposes, processes, and outcomes: Selected readings for the counselor. Houghton Mifflin Company.
芝加哥风格引文Diedrich, Richard C. Group Procedures: Purposes, Processes, and Outcomes: Selected Readings for the Counselor. Boston: Houghton Mifflin Company, 1972.
MLA引文Diedrich, Richard C. Group Procedures: Purposes, Processes, and Outcomes: Selected Readings for the Counselor. Houghton Mifflin Company, 1972.
警告：这些引文格式不一定是100％准确.