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
"Łętowska, Ewa and Schlechtriem, Peter",Unjust enrichment in Eastern European countries,,"J.C.B. Mohr,M. Nijhoff",1995,International encyclopedia of comparative law,,,,https://cir.nii.ac.jp/crid/1130000797671760896