National Research Council (U.S.). Transportation Research Board. (1979). Urban system operation and freeways. National Academy of Sciences.
Citación estilo ChicagoNational Research Council (U.S.). Transportation Research Board. Urban System Operation and Freeways. Washington: National Academy of Sciences, 1979.
Cita MLANational Research Council (U.S.). Transportation Research Board. Urban System Operation and Freeways. National Academy of Sciences, 1979.
Warning: These citations may not always be 100% accurate.