PFEIFFER J W. (1983). HANDBOOK OF STRUCTURED EXPERIENCES FOR HUMAN RELATION TRAINING VOL.IX. UNIVERSITY ASSOCIATION.
Chicago-referens (17:e uppl.)PFEIFFER J W. HANDBOOK OF STRUCTURED EXPERIENCES FOR HUMAN RELATION TRAINING VOL.IX. CALIFORNIA: UNIVERSITY ASSOCIATION, 1983.
MLA-referens (9:e uppl.)PFEIFFER J W. HANDBOOK OF STRUCTURED EXPERIENCES FOR HUMAN RELATION TRAINING VOL.IX. UNIVERSITY ASSOCIATION, 1983.
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