Não informado. (1973). American Journal of Political Science. Midwest Political Science Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. American Journal of Political Science. Austin, Tex: Midwest Political Science Association, 1973.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. American Journal of Political Science. Midwest Political Science Association, 1973.
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