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
"Summers, Robert S. and Hillman, Robert A.","Contract and related obligation : theory, doctrine, and practice",5th ed,Thomson/West,2006,American casebook series,,9780314159830,,https://cir.nii.ac.jp/crid/1130282271047503872