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,Urban and rural bus services,,Transportation Research Board,2016,Transportation research record,,"9780309441216,9781510854505",,https://cir.nii.ac.jp/crid/1130000793965335808