Mannheim, K. (1950). Freedom, power, and democratic planning. Oxford University Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Mannheim, Karl. Freedom, Power, and Democratic Planning. New York: Oxford University Press, 1950.
MLA -ийн эшлэл (9 дэх хэвлэлт)Mannheim, Karl. Freedom, Power, and Democratic Planning. Oxford University Press, 1950.