@book{39102,
	author = {Koelman, Jacobus, and Vriend, John.},
	title = {The duties of parents /},
	publisher = {Reformation Heritage Books,},
	year = {2009.},
	series = {Classics of Reformed spirituality},
	address = {Grand Rapids, Mich. :},
	note = {Originally published: Grand Rapids, Mich. : Baker Academic, �2003, in series: Classics of Reformed spirituality.}
}