@book{450,
	author = {Royse, David D. and ebrary, Inc.},
	title = {Needs assessment},
	publisher = {Oxford University Press,},
	year = {2009.},
	series = {Pocket guides to social work research methods},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10288445}
}