@book{47107,
	author = {Koffeman, A.I. and Bond van Gereformeerde Mannenverenigingen in Nederland.},
	title = {Opdracht en dienst :},
	publisher = {Bureau [Geref. Mannenbond, Methodiekcommissie],},
	year = {[1962]},
	address = {Huis ter Heide (U.) :}
}