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 "Copeland, Melvin Thomas",Internatioanal raw commodity prices and the devaluation of the dollar,,"Harvard University, Graduate School of Business Administratiion, Bureau of Business Research",1934,Publication of the graduate school of business administration,,,,https://cir.nii.ac.jp/crid/1130282271470127616