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,Low-volume roads,,Transportation Research Board of the National Academies,2007,Transportation research record,,"9780309104647,9780309104630,9780309160841,9780309160858,9780309167215,9780309295710,9780309295727,9780309295734",,https://cir.nii.ac.jp/crid/1130282271056986496