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
"Erk, Jan and Swenden, Wilfried",New directions in federalism studies,,Routledge,2010,Routledge/ECPR studies in European political science,,9780415548441,,https://cir.nii.ac.jp/crid/1130000794896288896