APA-referens (7:e uppl.)
Horowitz, I. L. (1972). Three worlds of development: The theory and practice of international stratification (2d ed.). Oxford University Press.
Chicago-referens (17:e uppl.)
Horowitz, Irving Louis. Three Worlds of Development: The Theory and Practice of International Stratification. 2d ed. New York: Oxford University Press, 1972.
MLA-referens (9:e uppl.)
Horowitz, Irving Louis. Three Worlds of Development: The Theory and Practice of International Stratification. 2d ed. Oxford University Press, 1972.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.