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,Bicycles and motorcycles,,Transportation Research Board of the National Academies,2007,Transportation research record,,"9780309104586,9780309295659,9780309369589,9780309441391",,https://cir.nii.ac.jp/crid/1130282273034172160