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. Interstate Commerce Commission. Bureau of Statistics and United States. Interstate Commerce Commission. Bureau of Transport Economics and Statistics,"Freight commodity statistics : class I steam railways in the United States year ended December 31, ...",,U.S. G.P.O.,1932,Statement,,,,https://cir.nii.ac.jp/crid/1130282270473579136