Cita APA (7th ed.)

Garber, N. J., Hoel, L. A., & Sarkar, R. (2010). Traffic and highway engineering (4th S.I. ed.). Cengage Learning.

Cita Chicago (17th ed.)

Garber, Nicholas J., Lester A. Hoel, i Raju Sarkar. Traffic and Highway Engineering. 4th S.I. ed. Australia, United States: Cengage Learning, 2010.

Cita MLA (9th ed.)

Garber, Nicholas J., et al. Traffic and Highway Engineering. 4th S.I. ed. Cengage Learning, 2010.

Atenció: Aquestes cites poden no estar 100% correctes.