Παραπομπή APA

(1998). Traffic safety: Management, enforcement, older drivers, heavy vehicles, and motorcycles. Washington: National Academy Press.

Παραπομπή Chicago Style

Traffic Safety: Management, Enforcement, Older Drivers, Heavy Vehicles, and Motorcycles. Washington: National Academy Press, 1998.

Παραπομπή MLA

Traffic Safety: Management, Enforcement, Older Drivers, Heavy Vehicles, and Motorcycles. Washington: National Academy Press, 1998.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.