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 "Vries, Sybe de",EU citizens' economic rights in action : re-thinking legal and factual barriers in the internal market,,E. Elgar,2018,Interdisciplinary perspectives on EU citizenship,,9781788113458,,https://cir.nii.ac.jp/crid/1130000794235244672