Não informado. (1979). Studies in political economy. Social Science and Humanities Research Council of Canada.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Studies in Political Economy. Ottawa: Social Science and Humanities Research Council of Canada, 1979.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Studies in Political Economy. Social Science and Humanities Research Council of Canada, 1979.
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