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 "Wigger, Berthold U. and Weizsäcker, Robert K. von and International Monetary Fund. Fiscal Affairs Dept","Risk, resources, and education--public versus private financing of higher education",,International Monetary Fund,1999,IMF working paper,,,,https://cir.nii.ac.jp/crid/1130282272744188416