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
"Prasad, Eswar and Isard, Peter",Skill heterogeneity and aggregation bias over the business cycle,,International Monetary Fund,1995,IMF working paper,,,,https://cir.nii.ac.jp/crid/1130000798357252736