Não informado. (1940). International socialist review. International Socialist Review Publishing Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. International Socialist Review. New York: International Socialist Review Publishing Association, 1940.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. International Socialist Review. International Socialist Review Publishing Association, 1940.
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