Παραπομπή APA
Fiftieth Anniversary Colloquium, 6., & Schultz, T. W. (1972). Human resources. New York: National Bureau of Economic Research; distributed by Columbia University Press.
Παραπομπή Chicago StyleFiftieth Anniversary Colloquium, 6th,, and Theodore W. Schultz. Human Resources. New York: National Bureau of Economic Research; distributed by Columbia University Press, 1972.
Παραπομπή MLAFiftieth Anniversary Colloquium, 6th,, and Theodore W. Schultz. Human Resources. New York: National Bureau of Economic Research; distributed by Columbia University Press, 1972.
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