Great Britain. Colonial Office. (1975). Government publications relating to Nigeria, 1862-1960. EP Microform.
Chicago-referens (17:e uppl.)Great Britain. Colonial Office. Government Publications Relating to Nigeria, 1862-1960. East Ardsley, Wakefield, England: EP Microform, 1975.
MLA-referens (8:e uppl.)Great Britain. Colonial Office. Government Publications Relating to Nigeria, 1862-1960. EP Microform, 1975.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.