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. Congressional Budget Office,The past and future of U.S. passenger rail service,,"Congress of the U.S., Congressional Budget Office .",2003,A CBO study,,0160515009,,https://cir.nii.ac.jp/crid/1130000794991376512