@book{124928,
	author = {Shaughnessy, John J. and Zechmeister, Eugene B.},
	title = {Research methods in psychology /},
	publisher = {McGraw-Hill,},
	year = {c2000.},
	address = {Boston MA :},
	edition = {5th ed.},
	url = {http://www.loc.gov/catdir/description/mh023/99015858.html}
}