Count, E. W., & Bowles, G. T. (1964). Fact and theory in social science. New York: Syracuse University Press.
Παραπομπή Chicago StyleCount, Earl W., and Gordon T. Bowles. Fact and Theory in Social Science. New York: Syracuse University Press, 1964.
Παραπομπή MLACount, Earl W., and Gordon T. Bowles. Fact and Theory in Social Science. New York: Syracuse University Press, 1964.
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