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 United States. Office of Federal Coordinator of Transportation,"Regulation of transportation agencies : letter from the chairman of the Interstate Commerce Commission transmitting pursuant to law, a report of the Federal Coordinator of Transportation on the regulation of transportation agencies other than railroads and on proposed changes in railroad regulation",,U.S.G.P.O.,1934,Document,,,,https://cir.nii.ac.jp/crid/1130282271797718528