American Association of State Highway Officials. (1970). Standard specifications for movable highway bridges 1970. American Association of State Highway Officials.
Chicago-Zitierstil (17. Ausg.)American Association of State Highway Officials. Standard Specifications for Movable Highway Bridges 1970. Washington, D.C: American Association of State Highway Officials, 1970.
MLA-Zitierstil (9. Ausg.)American Association of State Highway Officials. Standard Specifications for Movable Highway Bridges 1970. American Association of State Highway Officials, 1970.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.