Knudsen, R. B. (1976). New models for creative giving. Association press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKnudsen, Raymond B. New Models for Creative Giving. New York: Association press, 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKnudsen, Raymond B. New Models for Creative Giving. Association press, 1976.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.