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
"Kostakopoulou, Theodora and Thym, Daniel and Ernest, Felicitas and Siegel, Johannes",Research handbook on European Union citizenship law and policy : navigating challenges and crises,,Edward Elgar,2022,Research handbooks in European law,,9781788972895,,https://cir.nii.ac.jp/crid/1130573936073905801