.Tyworth, J. E., .Cavinato, J. L., & Langley, C. J. (1987). Traffic management: Planning, operations, and control. .Addison-Wesley Pub. Co.
Chicago-referens (17:e uppl.).Tyworth, John E., Joseph L. .Cavinato, och C. John Langley. Traffic Management: Planning, Operations, and Control. Reading, Mass: .Addison-Wesley Pub. Co, 1987.
MLA-referens (9:e uppl.).Tyworth, John E., et al. Traffic Management: Planning, Operations, and Control. .Addison-Wesley Pub. Co, 1987.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.