@book{4405,
	author = {Langley, M. R. and Potchefstroom University for Christian Higher Education.},
	title = {Guillaume Groen van Prinsterer (1801-1876) :},
	publisher = {Potchefstroomse Universiteit vir Christelike Hoër Onderwys,},
	year = {1989.},
	address = {Potchefstroom :}
}