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 "Lippert, Barbara and Becker, Peter",Towards EU-membership : transformation and integration in Poland and the Czech Republic,,Europa Union Verlag,1998,Europäische Schriften des Instituts für Europäische Politik,,3771305624,,https://cir.nii.ac.jp/crid/1130000796901114624