PFEIFFER J W. (1981). HANDBOOK OF STRUCTURED EXPERIENCES FOR HUMAN RELATION TRAINING VOL 8. UNIVERSITY ASSOCIATION.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPFEIFFER J W. HANDBOOK OF STRUCTURED EXPERIENCES FOR HUMAN RELATION TRAINING VOL 8. CALIFORNIA: UNIVERSITY ASSOCIATION, 1981.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPFEIFFER J W. HANDBOOK OF STRUCTURED EXPERIENCES FOR HUMAN RELATION TRAINING VOL 8. UNIVERSITY ASSOCIATION, 1981.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.