著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
East-Central State (Nigeria). Ministry of Economic Development and Reconstruction,"First development plan, 1970-1974",[Microfilm ed.],[s.n.],,African documents,,,,https://cir.nii.ac.jp/crid/1130282268914904448