Garber, N. J., & Hoel, L. A. (1999). Traffic and highway engineering (2a. ed.). PWS.
Tohutoru Kātū Chicago (17th ed.)Garber, Nicholas J., me Lester A. Hoel. Traffic and Highway Engineering. 2a. ed. Pacific Grove: PWS, 1999.
Tohutoro MLA (9th ed.)Garber, Nicholas J., me Lester A. Hoel. Traffic and Highway Engineering. 2a. ed. PWS, 1999.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.