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
"Eeckhout, Piet",External relations of the European Union : legal and constitutional foundations,,Oxford University Press,2004,Oxford EC law library,,0199251657,,https://cir.nii.ac.jp/crid/1130000797455890816