@book{8807,
	author = {Heiman, Gary W.},
	title = {Basic statistics for the behavioral sciences /},
	publisher = {Houghton Mifflin,},
	year = {c2006.},
	address = {Boston :},
	edition = {5th ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy1105/2005920178-b.html}
}