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 Round Table on Transport Economics and European Conference of Ministers of Transport. Economic Research Centre,"Report of the Eightieth Round Table on Transport Economics, held in Paris on 9th-10th February 1989 on the following topic : systems of road infrastructure cost coverage",,"European Conference of Ministers of Transport,OECD Publications and Information Centre [distributor]",1989,Report of the Round Table on Transport Economics,,928211144X,,https://cir.nii.ac.jp/crid/1130282270047596160