@book{18821,
	author = {National Road Safety Council (South Africa)},
	title = {Voertuigbeheerstelsel :},
	publisher = {Nasionale Verkeersveiligheidraad,},
	year = {1990.},
	address = {Pretoria :},
	edition = {2de dr. [i.e. 2de uitg.].},
	note = {Also available in English.}
}