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
"Haque, Nadeem U. and Mark, Nelson and Mathieson, Donald J.",The relative importance of political and economic variables in creditworthiness ratings,,International Monetary Fund,1998,IMF working paper,,,,https://cir.nii.ac.jp/crid/1130000797884397824