@book{64749,
	author = {Bryman, Alan. and Cramer, Duncan, and ebrary, Inc.},
	title = {Quantitative data analysis with SPSS release 8 for Windows},
	publisher = {Routledge,},
	year = {1999.},
	address = {London ;},
	edition = {Rev ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10054642}
}