Puleo, S. (2024). The great abolitionist: Charles Sumner and the fight for a more perfect union (First edition.). St. Martin's Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPuleo, Stephen. The Great Abolitionist: Charles Sumner and the Fight for a More Perfect Union. First edition. New York: St. Martin's Press, 2024.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPuleo, Stephen. The Great Abolitionist: Charles Sumner and the Fight for a More Perfect Union. First edition. St. Martin's Press, 2024.
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