Não informado. (1976). International Labor and Working-Class History. Cambridge University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. International Labor and Working-Class History. New York: Cambridge University Press, 1976.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. International Labor and Working-Class History. Cambridge University Press, 1976.
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