iNigeria iyizwe eAfrika. "Africa :: Nigeria". The World Factbook. Central Intelligence Agency (United States). Archived from the original on 2020-08-31. Kulandwe ngomhlaka 2012-04-17. Le-athikhili iyisigcino (isiNgisi: "a stub"). Ungakwazi ukusiza uWikipedia: ngokuyikhulisa.