Warner, W. L., & Srole, L. (1945). The social systems of American ethnic groups. New Haven: Yale University Press.
Παραπομπή Chicago StyleWarner, W. Lloyd, and Leo Srole. The Social Systems of American Ethnic Groups. New Haven: Yale University Press, 1945.
Παραπομπή MLAWarner, W. Lloyd, and Leo Srole. The Social Systems of American Ethnic Groups. New Haven: Yale University Press, 1945.
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