Horowitz, I. L. (1972). Three worlds of development: The theory and practice of international stratification (2nd ed.). Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHorowitz, Irving Louis. Three Worlds of Development: The Theory and Practice of International Stratification. 2nd ed. New York: Oxford University Press, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHorowitz, Irving Louis. Three Worlds of Development: The Theory and Practice of International Stratification. 2nd ed. Oxford University Press, 1972.
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