@book{346554,
	author = {Boslaugh, Sarah.},
	title = {An intermediate guide to spss programming :},
	publisher = {Sage Publications, Inc,},
	year = {2004.},
	address = {[S.l.] :},
	edition = {1st ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0761931856/chopaconline-20}
}