National Research Council (U.S.). Highway Research Board. (1969). Freeway traffic characteristics and control: 19 reports. Highway Research Board, National Research Council.
Chicago-Zitierstil (17. Ausg.)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-Zitierstil (9. Ausg.)National Research Council (U.S.). Highway Research Board. Freeway Traffic Characteristics and Control: 19 Reports. Highway Research Board, National Research Council, 1969.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.