Brokensha, D., & Crowder, M. (1967). Africa in the wider world: The inter-relationship of area and comparative studies. Pergamon Press.
Lua i Stíl Chicago (17ú heag.)Brokensha, David, agus Michael Crowder. Africa in the Wider World: The Inter-relationship of Area and Comparative Studies. Oxford: Pergamon Press, 1967.
Lua MLA (9ú heag.)Brokensha, David, agus Michael Crowder. Africa in the Wider World: The Inter-relationship of Area and Comparative Studies. Pergamon Press, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.