National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Meeting, & National Research Council (U.S.). Committee on Operational Effects of Geometrics. (1970). Relationships of highway geometry to traffic accidents: 9 reports. Highway Research Board.
Citazione stile Chigago Style (17a edizione)National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Meeting, e National Research Council (U.S.). Committee on Operational Effects of Geometrics. Relationships of Highway Geometry to Traffic Accidents: 9 Reports. Washington: Highway Research Board, 1970.
Citatione MLA (9a ed.)National Research Council (U.S.). Highway Research Board, et al. Relationships of Highway Geometry to Traffic Accidents: 9 Reports. Highway Research Board, 1970.