Dennis, R. E. (1970). The Black people of America: Illustrated history ([1st ed.].). Readers Press.
Lua i Stíl Chicago (17ú heag.)Dennis, R. Ethel. The Black People of America: Illustrated History. [1st ed.]. New Haven: Readers Press, 1970.
Lua MLA (8ú heag.)Dennis, R. Ethel. The Black People of America: Illustrated History. [1st ed.]. Readers Press, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.