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 National Research Council (U.S.). Transportation Research Board,"Motorcycles, trucks, buses, and roundabouts",,Transportation Research Board,2017,Transportation research record,,9781510854406,,https://cir.nii.ac.jp/crid/1130000795238220800