@book{1667,
	author = {Rosenthal, Robert, and Rosnow, Ralph L.},
	title = {Essentials of behavioral research :},
	publisher = {McGraw-Hill,},
	year = {c2008.},
	address = {Boston :},
	edition = {3rd ed.},
	url = {http://www.loc.gov/catdir/toc/ecip0614/2006017236.html}
}