@book{186849,
	author = {Beatty, Alexandra S. and ebrary, Inc.},
	title = {Studying media effects on children and youth},
	publisher = {National Academies Press,},
	year = {2006.},
	address = {Washington, D.C. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10141214}
}