(1960). Demographic and economic change in developed countries: A conference of the Universities. Princeton, N.J: Princeton University Press.
Παραπομπή Chicago StyleDemographic and Economic Change in Developed Countries: A Conference of the Universities. Princeton, N.J: Princeton University Press, 1960.
Παραπομπή MLADemographic and Economic Change in Developed Countries: A Conference of the Universities. Princeton, N.J: Princeton University Press, 1960.
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