American Association of State Highway Officials. (1970). Standard specifications for movable highway bridges 1970. American Association of State Highway Officials.
Citace podle Chicago (17th ed.)American Association of State Highway Officials. Standard Specifications for Movable Highway Bridges 1970. Washington, D.C: American Association of State Highway Officials, 1970.
Citace podle MLA (9th ed.)American Association of State Highway Officials. Standard Specifications for Movable Highway Bridges 1970. American Association of State Highway Officials, 1970.
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