APA (7e ed.) Bronvermelding

Não informado. (1966). World survey of current research and development on roads and road transport. International Road Federation.

Chicago (17e ed.) Bronvermelding

Não informado. World Survey of Current Research and Development on Roads and Road Transport. Washington: International Road Federation, 1966.

MLA (8e ed.) Bronvermelding

Não informado. World Survey of Current Research and Development on Roads and Road Transport. International Road Federation, 1966.

Let op: Deze citaties zijn niet altijd 100% accuraat.