@book{152631,
	author = {Mol, Angus A. A. and ebrary, Inc.},
	title = {Costly giving, giving Gua�izas},
	publisher = {Sidestone Press,},
	year = {2007.},
	address = {Leiden :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10723885}
}