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,Traffic signal systems,,Transportation Research Board of the National Academies,2008,Transportation research record,,"9780309125932,9780309142601,9780309160674,9780309222952,9780309263085,9780309286725,9780309286824,9780309295352,9780309295260,9780309369077,9780309369244,9780309369909,9780309441315,9781510854222,9781510854239,9781510878235",,https://cir.nii.ac.jp/crid/1130282272173108736