@book{65929,
	author = {Birn, Robin. and ebrary, Inc.},
	title = {The effective use of market research},
	publisher = {Kogan Page,},
	year = {2004.},
	series = {Market research in practice},
	address = {London ;},
	edition = {4th ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10084450}
}