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 Larraín, Guillermo and Reisen, Helmut and Maltzan, Julia von and Organisation for Economic Co-operation and Development. Development Centre Emerging market risk and sovereign credit ratings Organisation for Economic Co-operation and Development 1997 Technical papers / Organisation for Economic Co-operation and Development. Development Centre no. 124 https://ci.nii.ac.jp/ncid/BB14269060