WRIGHT, P. H. (1996). Highway engineering.-- Ed.6. John Wiley and Sons Inc.
Chicago (17e ed.) BronvermeldingWRIGHT, Paul H. Highway Engineering.-- Ed.6. New York: John Wiley and Sons Inc, 1996.
MLA (9e ed.) BronvermeldingWRIGHT, Paul H. Highway Engineering.-- Ed.6. John Wiley and Sons Inc, 1996.
Let op: Deze citaties zijn niet altijd 100% accuraat.