Hansen, J., McGowan, G., & Ransome, J. (2003). Freedom roads: Searching for the Underground Railroad. Cricket Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHansen, Joyce, Gary McGowan, और James Ransome. Freedom Roads: Searching for the Underground Railroad. Chicago: Cricket Books, 2003.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHansen, Joyce, et al. Freedom Roads: Searching for the Underground Railroad. Cricket Books, 2003.
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