著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Ralph Buehler and Andrea Hamre,An examination of recent trends in multimodal travel behavior among American motorists,International Journal of Sustainable Transportation,1556-8318,Informa UK Limited,2014-12-24,10,4,354-364,https://cir.nii.ac.jp/crid/1360855570953784064,https://doi.org/10.1080/15568318.2014.945672