Não informado. (1966). World survey of current research and development on roads and road transport. International Road Federation.
Citação do estilo Chicago (17ª ed.)Não informado. World Survey of Current Research and Development on Roads and Road Transport. Washington: International Road Federation, 1966.
Citação MLA (8ª ed.)Não informado. World Survey of Current Research and Development on Roads and Road Transport. International Road Federation, 1966.
警告：这些引文格式不一定是100％准确.