Bruce, A. G., & Clarkeson, J. (1959). Highway design and construction. Scranton: International Textbook Company.
Παραπομπή Chicago StyleBruce, Arthur G., and John Clarkeson. Highway Design and Construction. Scranton: International Textbook Company, 1959.
Παραπομπή MLABruce, Arthur G., and John Clarkeson. Highway Design and Construction. Scranton: International Textbook Company, 1959.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.