National Research Council (U.S.). Highway Research Board. (1969). Freeway traffic characteristics and control: 19 reports. Highway Research Board, National Research Council.
芝加哥风格引文National Research Council (U.S.). Highway Research Board. Freeway Traffic Characteristics and Control: 19 Reports. Washington, D.C: Highway Research Board, National Research Council, 1969.
MLA引文National Research Council (U.S.). Highway Research Board. Freeway Traffic Characteristics and Control: 19 Reports. Highway Research Board, National Research Council, 1969.
警告：这些引文格式不一定是100％准确.