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
"Okafor, Obiora Chinedu",Re-defining legitimate statehood : international law and state fragmentation in Africa,,M. Nijhoff Publishers,2000,Developments in international law,,9041113533,,https://cir.nii.ac.jp/crid/1130000797749597440