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 "Sussex, University of. Institute of Development Studies and Evans, David","Trade, class and comparative advantage in Papua New Guinea",,"Institute of Development Studies, University of Sussex",1982,Discussion paper,,,,https://cir.nii.ac.jp/crid/1130282270195821184