Kelley, A. C. (1972). Dualistic economic development: Theory and history. University of Chicago Press.
Lua i Stíl Chicago (17ú heag.)Kelley, Allen C. Dualistic Economic Development: Theory and History. Chicago: University of Chicago Press, 1972.
Lua MLA (9ú heag.)Kelley, Allen C. Dualistic Economic Development: Theory and History. University of Chicago Press, 1972.
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