Evans, J H.(2003). Have Americans' Attitudes Become More Polarized?-An Update. Social Science Quarterly, 84(1), 71-90. doi:10.1111/1540-6237.00141
MLA CitationEvans, John H. "Have Americans' Attitudes Become More Polarized?-An Update". Social Science Quarterly, 84.1 ( 2003 ): 71-90.
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