Journal of the Abraham Lincoln Association. University of Illinois Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJournal of the Abraham Lincoln Association. University of Illinois Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रJournal of the Abraham Lincoln Association. University of Illinois Press.
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