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
"Kovačević, Bojan",Europe's hidden federalism : federal experiences of European integration,,Routledge,2017,Federalism studies,,9781472468574,,https://cir.nii.ac.jp/crid/1130282268709133056