Landau, E. (2006). Fleeing to freedom on the Underground Railroad: The courageous slaves, agents, and conductors. Twenty-First Century Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLandau, Elaine. Fleeing to Freedom on the Underground Railroad: The Courageous Slaves, Agents, and Conductors. Minneapolis, Minn.: Twenty-First Century Books, 2006.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLandau, Elaine. Fleeing to Freedom on the Underground Railroad: The Courageous Slaves, Agents, and Conductors. Twenty-First Century Books, 2006.
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