Não informado. (1966). World survey of current research and development on roads and road transport. International Road Federation.
Chicago-Zitierstil (17. Ausg.)Não informado. World Survey of Current Research and Development on Roads and Road Transport. Washington: International Road Federation, 1966.
MLA-Zitierstil (8. Ausg.)Não informado. World Survey of Current Research and Development on Roads and Road Transport. International Road Federation, 1966.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.