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 "Levy, joaquim V. and Reichmann, Thomas and International Monetary Fund",The Spanish social security : prospects of the pension and health-care systems,,International Monetary Fund,1995,IMF working paper,,,,https://cir.nii.ac.jp/crid/1130000795527900032