Hansen, N. M. (1970). Rural poverty and the urban crisis: A strategy for regional development. Greenwood Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHansen, Niles M. Rural Poverty and the Urban Crisis: A Strategy for Regional Development. Westport, Connecticutt: Greenwood Press, 1970.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHansen, Niles M. Rural Poverty and the Urban Crisis: A Strategy for Regional Development. Greenwood Press, 1970.
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