@book{23539,
	author = {De Groot, C. G.},
	title = {Huldrych Zwingli (1484-1531) :},
	publisher = {Potchefstroomse Universiteit vir CHO,},
	year = {1984.},
	series = {Wetenskaplike bydraes / PU vir CHO ;},
	address = {Potchefstroom :}
}