National Research Council (U.S.). Highway Research Board. (1952). Parking turnouts and rest areas. Highway Research Board, National Research Council.
Citace podle Chicago (17th ed.)National Research Council (U.S.). Highway Research Board. Parking Turnouts and Rest Areas. Washington, D.C: Highway Research Board, National Research Council, 1952.
Citace podle MLA (9th ed.)National Research Council (U.S.). Highway Research Board. Parking Turnouts and Rest Areas. Highway Research Board, National Research Council, 1952.
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