Source: International and Comparative Law Quarterly
E. I. Nwogugu (1976). « Recent Changes in Nigerian Nationality and Citizenship Law », International and Comparative Law Quarterly, 25, pp 423-439.
Outline of history of citizenship law in Nigeria, and changes since independence in 1960, especially the Constitution (Amendment) Decree of 1974.
Link to journal website: http://dx.doi.org/10.1093/iclqaj/25.2.423