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 "Sumner, Ian","All's well that ends registered? : the substantive and private international law aspects of non-marital registered relationships in Europe : a comparison of the laws of Belgium, France, The Netherlands, Switzerland and the United Kingdom",,Intersentia,2005,European family law series,,9050955320,,https://cir.nii.ac.jp/crid/1130282269692121856