@book{4757,
	author = {Gray, Colin D. and Kinnear, Paul R. },
	title = {IBM SPSS Statistics 19 Made Simple },
	publisher = {Psychology Press,},
	year = {2011.},
	address = {[S.l.] :},
	edition = {1st ed.},
	url = {http://10.10.170.122:8080/browse/book/29312}
}