Thomas, W. G. (2011). The iron way: Railroads, the Civil War, and the making of modern America. Yale University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThomas, William G. The Iron Way: Railroads, the Civil War, and the Making of Modern America. New Haven: Yale University Press, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रThomas, William G. The Iron Way: Railroads, the Civil War, and the Making of Modern America. Yale University Press, 2011.
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