@book{223309,
	author = {Sparks, Glenn Grayson.},
	title = {Media effects research},
	publisher = {Thomson/Wadsworth},
	year = {c2006.},
	series = {Wadsworth series in mass communication and journalism},
	address = {Belmont, CA},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy1103/2005920412-b.html}
}