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 "Conference on Highway Engineering and Highway Transport Education and United States. Office of Education and John, Walton C.","Education for highway engineering and highway transport : proceedings of the second national conference held in Washington, D.C., October 26, 27 and 28, 1922, under the direction of the Highway education board",,Highway education board,1923,Bulletin,,,,https://cir.nii.ac.jp/crid/1130282270891679744