@book{57986,
	author = {Berry, Ralph, and ebrary, Inc.},
	title = {The Research project},
	publisher = {Routledge,},
	year = {2000.},
	address = {London [etc.] :},
	edition = {4th ed.},
	note = {Met lit. opg.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10035322}
}