@book{2500,
	author = {Laridon, P. E. J. M.,},
	title = {Classroom mathematics :standard 8 },
	publisher = {Lexicon,},
	year = {1988.},
	address = {Johannesburg :},
	edition = {1st ed.},
	note = {2nd impr. 1989 (R14,95)}
}