APA (7th ed.) Zitazioa

American Association of State Highway Officials. (1970). Standard specifications for movable highway bridges 1970. American Association of State Highway Officials.

Chicago Style (17th ed.) Zitazioa

American Association of State Highway Officials. Standard Specifications for Movable Highway Bridges 1970. Washington, D.C: American Association of State Highway Officials, 1970.

MLA (9th ed.) Zitazioa

American Association of State Highway Officials. Standard Specifications for Movable Highway Bridges 1970. American Association of State Highway Officials, 1970.