(1981). Evaluation Risearch And Practice Comparative And International Perspectives Edited By Robert A. Levine...[et. Al]. Sage Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEvaluation Risearch And Practice Comparative And International Perspectives Edited By Robert A. Levine...[et. Al]. Sage Publications, 1981.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEvaluation Risearch And Practice Comparative And International Perspectives Edited By Robert A. Levine...[et. Al]. Sage Publications, 1981.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.