@book{153133,
	author = {Powell, Jason L., and ebrary, Inc.},
	title = {Understanding the voluntary sector},
	publisher = {Nova Science Publishers,},
	year = {c2012.},
	series = {Social perspectives of aging},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10726595}
}