HEWES, L. I., & HEWES, L. I. (1977). Highway Engineering By Laurence I. Hewes And Clarkson H. Oglesby. John Wiley & Sons.
Chicago Style aipamenaHEWES, Laurence I., and Laurence I. HEWES. Highway Engineering By Laurence I. Hewes And Clarkson H. Oglesby. John Wiley & Sons, 1977.
MLA aipamenaHEWES, Laurence I., and Laurence I. HEWES. Highway Engineering By Laurence I. Hewes And Clarkson H. Oglesby. John Wiley & Sons, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.