Rose, W. L. N., & Freehling, W. W. (1982). Slavery and freedom. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Rose, Willie Lee Nichols, agus William W. Freehling. Slavery and Freedom. New York: Oxford University Press, 1982.
Lua MLA (9ú heag.)Rose, Willie Lee Nichols, agus William W. Freehling. Slavery and Freedom. Oxford University Press, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.