APA (7th ed.) Zitazioa
Wolhunter, K. M. (2015). Geometric Design of Roads Handbook. CRC Press.
Chicago Style (17th ed.) Zitazioa
Wolhunter, Keith M. Geometric Design of Roads Handbook. London: CRC Press, 2015.
MLA (9th ed.) Zitazioa
Wolhunter, Keith M. Geometric Design of Roads Handbook. CRC Press, 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.