Inskeep, S. (2023). Differ we must: How Lincoln succeeded in a divided America. Penguin Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInskeep, Steve. Differ We Must: How Lincoln Succeeded in a Divided America. New York: Penguin Press, 2023.
एमएलए (8वां संस्करण) प्रशस्ति पत्रInskeep, Steve. Differ We Must: How Lincoln Succeeded in a Divided America. Penguin Press, 2023.
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