MacDonald. Unions and the City. Cornell University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMacDonald. Unions and the City. Cornell University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMacDonald. Unions and the City. Cornell University Press.
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