Gibbs, J. L. (1965). Peoples of Africa. Waveland Press.
Lua i Stíl Chicago (17ú heag.)Gibbs, James L. Peoples of Africa. Illinois: Waveland Press, 1965.
Lua MLA (9ú heag.)Gibbs, James L. Peoples of Africa. Waveland Press, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.