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 "Leruth, Benjamin and Gänzle, Stefan and Trondal, Jarle",The Routledge handbook of differentiation in the European Union,,Routledge,2022,Routledge international handbooks,,9780367149659,,https://cir.nii.ac.jp/crid/1130574246444926100