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 and policy,6th ed,Addison-Wesley,2003,Addison-Wesley series in economics,,0201770377,,https://cir.nii.ac.jp/crid/1130000794783597440