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