@book{160627,
	author = {Sheppard, Michael. and ebrary, Inc.},
	title = {Appraising and using social research in the human services},
	publisher = {Jessica Kingsley Publishers,},
	year = {2004.},
	address = {London ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10082329}
}