PFEIFFER J W. (1983). 1983 ANNUAL HANDBOOK FOR GROUP FACILITATORS. HUMAN REL. TRAINING.
芝加哥风格引文PFEIFFER J W. 1983 ANNUAL HANDBOOK FOR GROUP FACILITATORS. CALIFORNIA: HUMAN REL. TRAINING, 1983.
MLA引文PFEIFFER J W. 1983 ANNUAL HANDBOOK FOR GROUP FACILITATORS. HUMAN REL. TRAINING, 1983.
警告：这些引文格式不一定是100％准确.