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 "Dür, Andreas and Elsig, Manfred",The European Union's foreign economic policies : a principal-agent perspective,,Routledge,2012,Journal of European public policy series,,9780415667210,,https://cir.nii.ac.jp/crid/1130282269207624064