O'Flaherty, C. A., O' Flaherty, E. C. A., & Boyle, A. (2002). Highways: The location, design, construction and maintenance of road pavements (4th ed.). Oxford: Butterworth-Heinemann.
Παραπομπή Chicago StyleO'Flaherty, Coleman Anthony, Emeritus C. A. O' Flaherty, and A. Boyle. Highways: The Location, Design, Construction and Maintenance of Road Pavements. 4th ed. Oxford: Butterworth-Heinemann, 2002.
Παραπομπή MLAO'Flaherty, Coleman Anthony, Emeritus C. A. O' Flaherty, and A. Boyle. Highways: The Location, Design, Construction and Maintenance of Road Pavements. 4th ed. Oxford: Butterworth-Heinemann, 2002.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.