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
"Skaperdas, Stergios and World Institute for Development Economics Research and United Nations University",Warlord competition,,"World Institute for Development Economics Research, United Nations University",2001,WIDER discussion paper,,9524552337,,https://cir.nii.ac.jp/crid/1130282272225973248