East-Central State (Nigeria). Ministry of Economic Development and Reconstruction. (1971). First development plan, 1970-1974: Programme of post-war reconstruction. Govt. Printer.
Chicago-referens (17:e uppl.)East-Central State (Nigeria). Ministry of Economic Development and Reconstruction. First Development Plan, 1970-1974: Programme of Post-war Reconstruction. Enugu: Govt. Printer, 1971.
MLA-referens (8:e uppl.)East-Central State (Nigeria). Ministry of Economic Development and Reconstruction. First Development Plan, 1970-1974: Programme of Post-war Reconstruction. Govt. Printer, 1971.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.