Horowitz, I. L. (1966). Three worlds of development: The theory and practice of international stratification. Oxford University.
Cita Chicago (17th ed.)Horowitz, Irving Louis. Three Worlds of Development: The Theory and Practice of International Stratification. Nueva York: Oxford University, 1966.
Cita MLA (9th ed.)Horowitz, Irving Louis. Three Worlds of Development: The Theory and Practice of International Stratification. Oxford University, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.