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
"Krugman, Paul R. and Obstfeld, Maurice",International economics : theory & policy,8th ed,Pearson Addison-Wesley,2009,Addison-Wesley series in economics,,"9780321553980,9780321493040",,https://cir.nii.ac.jp/crid/1130000796996683264