Ward, D. (1971). Cities and immigrants: A geography of change in nineteenth century America. New York: Oxford University Press.
Παραπομπή Chicago StyleWard, David. Cities and Immigrants: A Geography of Change in Nineteenth Century America. New York: Oxford University Press, 1971.
Παραπομπή MLAWard, David. Cities and Immigrants: A Geography of Change in Nineteenth Century America. New York: Oxford University Press, 1971.
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