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 "United States International Trade Commission and Berg, Gerald C.",The effect of developing country debt-servicing problems on U.S. trade,,U.S. International Trade Commission,1987,USITC publication,,,,https://cir.nii.ac.jp/crid/1130282272314131072