Cordery. The Iron Road in the Prairie State. Indiana University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCordery. The Iron Road in the Prairie State. Indiana University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCordery. The Iron Road in the Prairie State. Indiana University Press.
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