Dyfyniad APA

National Research Council (U.S.). Highway Research Board. (1953). Structural effects of heavy-duty trailer on concrete pavement. Highway Research Board, National Research Council.

Dyfyniad Arddull Chicago

National Research Council (U.S.). Highway Research Board. Structural Effects of Heavy-duty Trailer on Concrete Pavement. Washington, D.C: Highway Research Board, National Research Council, 1953.

Dyfyniad MLA

National Research Council (U.S.). Highway Research Board. Structural Effects of Heavy-duty Trailer on Concrete Pavement. Highway Research Board, National Research Council, 1953.

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