APA (7th ed.) Zitazioa

Garber, N. J., & Hoel, L. A. (1999). Traffic and highway engineering (2a. ed.). PWS.

Chicago Style (17th ed.) Zitazioa

Garber, Nicholas J., eta Lester A. Hoel. Traffic and Highway Engineering. 2a. ed. Pacific Grove: PWS, 1999.

MLA (9th ed.) Zitazioa

Garber, Nicholas J., eta Lester A. Hoel. Traffic and Highway Engineering. 2a. ed. PWS, 1999.