Não informado. (1966). World survey of current research and development on roads and road transport. International Road Federation.
Citace podle Chicago (17th ed.)Não informado. World Survey of Current Research and Development on Roads and Road Transport. Washington: International Road Federation, 1966.
Citace podle MLA (8th ed.)Não informado. World Survey of Current Research and Development on Roads and Road Transport. International Road Federation, 1966.
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