Hewes , L. I. . .., & By Ogleshy , C. H. (1968). Highway engineering. John Wiley.
Chicago Style (17th ed.) ZitazioaHewes , Laurence I ., eta Charkson H. By Ogleshy. Highway Engineering. New York: John Wiley, 1968.
MLA (9th ed.) ZitazioaHewes , Laurence I ., eta Charkson H. By Ogleshy. Highway Engineering. John Wiley, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.