Dawson, R. F. F. (1971). Current costs of road accidents in Great Britain. Road Research Laboratory.
Citazione stile Chigago Style (17a edizione)Dawson, R. F. F. Current Costs of Road Accidents in Great Britain. Crowthorne, Berkshire: Road Research Laboratory, 1971.
Citatione MLA (9a ed.)Dawson, R. F. F. Current Costs of Road Accidents in Great Britain. Road Research Laboratory, 1971.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.