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