Runyon, R., & Davis, W. A. (1996). Delia Webster and the Underground Railroad. The University Press of Kentucky.
Lua i Stíl Chicago (17ú heag.)Runyon, Randolph, agus William Albert Davis. Delia Webster and the Underground Railroad. Lexington, Kentucky: The University Press of Kentucky, 1996.
Lua MLA (9ú heag.)Runyon, Randolph, agus William Albert Davis. Delia Webster and the Underground Railroad. The University Press of Kentucky, 1996.
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