United States Capitol Historical Society, ebrary, Inc, Finkelman, P., & Kennon, D. R. (2010). In the shadow of freedom: The politics of slavery in the national capital. Published for the United States Capitol Historical Society by Ohio University Press.
芝加哥风格引文United States Capitol Historical Society, Inc ebrary, Paul Finkelman, 与 Donald R. Kennon. In the Shadow of Freedom: The Politics of Slavery in the National Capital. Athens: Published for the United States Capitol Historical Society by Ohio University Press, 2010.
MLA引文United States Capitol Historical Society, et al. In the Shadow of Freedom: The Politics of Slavery in the National Capital. Published for the United States Capitol Historical Society by Ohio University Press, 2010.