@book{5332,
	author = {Pagano, Robert R.},
	title = {Understanding statistics in the behavioral sciences /},
	publisher = {Wadsworth Publishing,},
	year = {2003.},
	series = {With cd-rom and infotrac.},
	address = {[S.l.] :},
	edition = {7th ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0534617670/chopaconline-20}
}