Dyfyniad APA
Hewes, L. I., & Oglesby, C. H. (1954). Highway engineering (Asian students ed.). J. Wiley & Sons, Inc. ; Chapman & Hall.
Dyfyniad Arddull Chicago
Hewes, Laurence I., and Clarkson H. Oglesby. Highway Engineering. Asian students ed. New York : London ; Tokyo: J. Wiley & Sons, Inc. ; Chapman & Hall, 1954.
Dyfyniad MLA
Hewes, Laurence I., and Clarkson H. Oglesby. Highway Engineering. Asian students ed. J. Wiley & Sons, Inc. ; Chapman & Hall, 1954.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.