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 "Birks, Peter",Unjust enrichment,2nd ed,Oxford University Press,2005,Clarendon law series,,"0199276978,9780199276981",,https://cir.nii.ac.jp/crid/1130000797813617408