Παραπομπή APA
Fiftieth Anniversary Colloquium, 5. (1972). Economic growth. New York: National Bureau of Economic Research; distributed by Columbia University Press.
Παραπομπή Chicago StyleFiftieth Anniversary Colloquium, 5th. Economic Growth. New York: National Bureau of Economic Research; distributed by Columbia University Press, 1972.
Παραπομπή MLAFiftieth Anniversary Colloquium, 5th. Economic Growth. New York: National Bureau of Economic Research; distributed by Columbia University Press, 1972.
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