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 "Barkbu, Bergljot Bjørnson and Beddies, Christian and Manchec, Marie-Hélène Le",The debt sustainability framework for low-income countries,,International Monetary Fund,2008,Occasional paper,,9781589067929,,https://cir.nii.ac.jp/crid/1130282269647151360