Edwards, P. D., & Cole, H. (1997). Barefoot: Escape on the underground railroad. HarperCollins Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEdwards, Pamela Duncan, और Henry Cole. Barefoot: Escape on the Underground Railroad. New York: HarperCollins Publishers, 1997.
एमएलए (8वां संस्करण) प्रशस्ति पत्रEdwards, Pamela Duncan, और Henry Cole. Barefoot: Escape on the Underground Railroad. HarperCollins Publishers, 1997.
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