Downes, J. D. (1988). Road casualty rates and costs for the former metropolitan counties. Transport and Road Research Laboratory.
Chicago-Zitierstil (17. Ausg.)Downes, J. D. Road Casualty Rates and Costs for the Former Metropolitan Counties. Crowthorne: Transport and Road Research Laboratory, 1988.
MLA-Zitierstil (9. Ausg.)Downes, J. D. Road Casualty Rates and Costs for the Former Metropolitan Counties. Transport and Road Research Laboratory, 1988.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.