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
"Barendrecht, Maurits and Beale, Hugh and Clive, Eric",Service contracts (PEL SC),,Oxford University Press,2007,Principles of European law,,,,https://cir.nii.ac.jp/crid/1130282271267847552