Horowitz, I. L. (1972). Three Worlds od Development: The Theory and practice of international stratification. New York: Oxford University Press.
Chicago-tyylinen lähdeviittausHorowitz, Irving Louis. Three Worlds Od Development: The Theory and Practice of International Stratification. New York: Oxford University Press, 1972.
MLA-viiteHorowitz, Irving Louis. Three Worlds Od Development: The Theory and Practice of International Stratification. New York: Oxford University Press, 1972.
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