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,"Highway safety management, Safety workforce development, School transportation",,Transportation Research Board of the National Academies,2011,Transportation research record,,9780309167277,,https://cir.nii.ac.jp/crid/1130282270683875200