Dyfyniad APA
Garber , N. J., & Hoel Lester A. (2015). Traffic and Highway Engineering (3rd ed.). Cengage Learning.
Dyfyniad Arddull Chicago
Garber , Nicholas J., and Hoel Lester A. Traffic and Highway Engineering. 3rd ed. Delhi: Cengage Learning, 2015.
Dyfyniad MLA
Garber , Nicholas J., and Hoel Lester A. Traffic and Highway Engineering. 3rd ed. Cengage Learning, 2015.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.