Office of Highway Safety, U. B. o. P. R. (1963). Improvement of the present system of traffic accident records. Traffic Institute, Northwestern University.
Citación estilo ChicagoOffice of Highway Safety, U.S. Bureau of Public Roads. Improvement of the Present System of Traffic Accident Records. Evanston, Ill: Traffic Institute, Northwestern University, 1963.
Cita MLAOffice of Highway Safety, U.S. Bureau of Public Roads. Improvement of the Present System of Traffic Accident Records. Traffic Institute, Northwestern University, 1963.
Warning: These citations may not always be 100% accurate.