Garber Nicholas J., H. (2015). Traffic & Highway Engineering (1st.). Cengage Publication.
Cita Chicago (17th ed.)Garber Nicholas J., Hoel. Traffic & Highway Engineering. 1st. New Delhi: Cengage Publication, 2015.
Cita MLA (9th ed.)Garber Nicholas J., Hoel. Traffic & Highway Engineering. 1st. Cengage Publication, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.