Taylor, M. A. P. (2000). Understanding traffic systems: Data , analysis and presentation (2nd ed.). Ashgate.
Cita Chicago (17th ed.)Taylor, Michael A. P. Understanding Traffic Systems: Data , Analysis and Presentation. 2nd ed. Aldershot: Ashgate, 2000.
Cita MLA (9th ed.)Taylor, Michael A. P. Understanding Traffic Systems: Data , Analysis and Presentation. 2nd ed. Ashgate, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.