Great Britain. Colonial Office. (1975). Government publications relating to Nigeria, 1862-1960. EP Microform.
Lua i Stíl Chicago (17ú heag.)Great Britain. Colonial Office. Government Publications Relating to Nigeria, 1862-1960. East Ardsley, Wakefield, England: EP Microform, 1975.
Lua MLA (8ú heag.)Great Britain. Colonial Office. Government Publications Relating to Nigeria, 1862-1960. EP Microform, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.