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
"Keane, Michael and Prasad, Eswar and Márquez-Ruarte, Jorge","The relation between skill levels and the cyclical variability of employment, hours, and wages",,International Monetary Fund,1993,IMF working paper,,,,https://cir.nii.ac.jp/crid/1130000798017827072