Oliver, R. (1991). The African experience. Harper Collins.
Lua i Stíl Chicago (17ú heag.)Oliver, Roland. The African Experience. New York: Harper Collins, 1991.
Lua MLA (9ú heag.)Oliver, Roland. The African Experience. Harper Collins, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.