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
"Heidar, Knut and Koole, R. A.",Parliamentary party groups in European democracies : political parties behind closed doors,,Routledge,2000,Routledge/ECPR studies in European political science,,0415223369,,https://cir.nii.ac.jp/crid/1130282270605809536