@book{155472,
	author = {Hardnett, Charles R. and ebrary, Inc.},
	title = {Virtual world design and creation for teens},
	publisher = {Delmar ;},
	year = {2009.},
	address = {Clifton Park, N.Y. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10340894}
}