PFEIFFER J W. (1981). HANDBOOK OF STRUCTURED EXPERIENCES FOR HUMAN RELATION TRAINING VOL 8. UNIVERSITY ASSOCIATION.
Chicago-viite (17. p.)PFEIFFER J W. HANDBOOK OF STRUCTURED EXPERIENCES FOR HUMAN RELATION TRAINING VOL 8. CALIFORNIA: UNIVERSITY ASSOCIATION, 1981.
MLA-viite (9. p.)PFEIFFER J W. HANDBOOK OF STRUCTURED EXPERIENCES FOR HUMAN RELATION TRAINING VOL 8. UNIVERSITY ASSOCIATION, 1981.
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