Fradin, J. B., Fradin, D. B., & Velasquez, E. (2013). The price of freedom: How one town stood up to slavery. Walker Books for Young Readers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFradin, Judith Bloom, Dennis B. Fradin, और Eric Velasquez. The Price of Freedom: How One Town Stood Up to Slavery. New York: Walker Books for Young Readers, 2013.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFradin, Judith Bloom, et al. The Price of Freedom: How One Town Stood Up to Slavery. Walker Books for Young Readers, 2013.
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