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 Gutmann, M. G. (M. Gunter) and European Conference of Ministers of Transport. Economic Research Centre",The working conditions of professional drivers : effects on productivity and road safety,,European Conference of Ministers of Transport,1981,Report of the Round Table on Transport Economics,,9282110710,,https://cir.nii.ac.jp/crid/1130282271308516864