Mannheim, K. (1950). Freedom, power, and democratic planning. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMannheim, Karl. Freedom, Power, and Democratic Planning. New York: Oxford University Press, 1950.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMannheim, Karl. Freedom, Power, and Democratic Planning. Oxford University Press, 1950.