Dyfyniad APA

Oglesby, C. H., & Hewes, L. I. (1963). Highway engineering (2nd ed.). Wiley.

Dyfyniad Arddull Chicago

Oglesby, Clarkson Hill, and Laurence Ilsley Hewes. Highway Engineering. 2nd ed. New York: Wiley, 1963.

Dyfyniad MLA

Oglesby, Clarkson Hill, and Laurence Ilsley Hewes. Highway Engineering. 2nd ed. Wiley, 1963.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.