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,"Economic criteria for the maintenance, modification or creation of public urban and suburban transport services : which may not necessarily be profitable",,European Conference of Ministers of Transport,1974,Report of the Round Table on Transport Economics,,9282110265,,https://cir.nii.ac.jp/crid/1130000795002209408