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
"日本銀行金融研究所 and Ieda, Akira and Marumo, Kohei and Yoshiba, Toshinao",A simplified method for calculating the credit risk of lending portfolios,,"Institute for Monetary and Economic Studies, Bank of Japan",2000,IMES discussion paper series,,,,https://cir.nii.ac.jp/crid/1130282269285048448