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
"Coe, David T. and Helpman, Elhanan and International Monetary Fund",International R&D spillovers,,International Monetary Fund,1993,IMF working paper,,,,https://cir.nii.ac.jp/crid/1130282272825900544