Crowder, M. (1968). West Africa under colonial rule. Northwesstern.
Lua i Stíl Chicago (17ú heag.)Crowder, Michael. West Africa Under Colonial Rule. Evanston: Northwesstern, 1968.
Lua MLA (9ú heag.)Crowder, Michael. West Africa Under Colonial Rule. Northwesstern, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.