APA (7th ed.) Zitazioa
DeLony, E. (1993). Landmark American bridges. Published in association with American Society of Civil Engineers ; Little, Brown and Co..
Chicago Style (17th ed.) Zitazioa
DeLony, Eric. Landmark American Bridges. New York : Boston: Published in association with American Society of Civil Engineers ; Little, Brown and Co., 1993.
MLA (9th ed.) Zitazioa
DeLony, Eric. Landmark American Bridges. Published in association with American Society of Civil Engineers ; Little, Brown and Co., 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.