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
"Claessens, Stijn and Coleman, Jonathan Roger",Hedging commodity price risks in Papua New Guinea,,"International Economics Dept., World Bank",1991,"Policy, research, and external affairs working papers",,,,https://cir.nii.ac.jp/crid/1130282272859890176