@book{2070,
	author = {Downing, Douglas. and Clark, Jeff,},
	title = {Statistics the easy way /},
	publisher = {Barron's,},
	year = {c1997.},
	address = {Hauppauge, N.Y. :},
	edition = {3rd ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy0630/96041827-d.html}
}