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 "Spaventa, Eleanor",Free movement of persons in the European Union : barriers to movement in their constitutional context,,Kluwer Law International,2007,Kluwer European law collection,,9789041124708,,https://cir.nii.ac.jp/crid/1130282270004350336