Não informado. (1965). Studies in comparative international development. Washington University, Social Science Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Studies in Comparative International Development. Saint Louis, Mo: Washington University, Social Science Institute, 1965.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Studies in Comparative International Development. Washington University, Social Science Institute, 1965.
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