Walker, C. E. (2009). Mongrel nation: The America begotten by Thomas Jefferson and Sally Hemings. University of Virginia Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWalker, Clarence Earl. Mongrel Nation: The America Begotten by Thomas Jefferson and Sally Hemings. Charlottesville: University of Virginia Press, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWalker, Clarence Earl. Mongrel Nation: The America Begotten by Thomas Jefferson and Sally Hemings. University of Virginia Press, 2009.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.