Burchard, P. (1999). Lincoln and slavery. Atheneum Books for Young Readers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBurchard, Peter. Lincoln and Slavery. New York: Atheneum Books for Young Readers, 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBurchard, Peter. Lincoln and Slavery. Atheneum Books for Young Readers, 1999.
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