McClelland, D. C. Community development and the nature of human motivation: Some implications of recent research Background paper, Conference on Community Development, Sponsored by Cnter for International Studies, Endicott House, December 13-15, 1957. s.n.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMcClelland, David Clarence. Community Development and the Nature of Human Motivation: Some Implications of Recent Research Background Paper, Conference on Community Development, Sponsored by Cnter for International Studies, Endicott House, December 13-15, 1957. s.l: s.n.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMcClelland, David Clarence. Community Development and the Nature of Human Motivation: Some Implications of Recent Research Background Paper, Conference on Community Development, Sponsored by Cnter for International Studies, Endicott House, December 13-15, 1957. s.n.