Cita APA (7th ed.)

WRIGHT, P. H. (1996). Highway engineering.-- Ed.6. John Wiley and Sons Inc.

Cita Chicago (17th ed.)

WRIGHT, Paul H. Highway Engineering.-- Ed.6. New York: John Wiley and Sons Inc, 1996.

Cita MLA (9th ed.)

WRIGHT, Paul H. Highway Engineering.-- Ed.6. John Wiley and Sons Inc, 1996.