@book{39153,
	author = {Greasley, Peter. and ebrary, Inc.},
	title = {Quantitative data analysis using SPSS},
	publisher = {Open University Press,},
	year = {2008.},
	address = {Maidenhead ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10229874}
}