@book{13198,
	author = {Rogers, Scott. and Books24x7, Inc.},
	title = {Level up! the guide to great video game design},
	editor = {Books24x7.com [generator])},
	publisher = {John Wiley & Sons Ltd,},
	year = {2014},
	address = {Chichester, West Sussex, U.K. :},
	edition = {2nd ed.},
	note = {Title from title screen.},
	url = {http://www.columbia.edu/cgi-bin/cul/resolve?clio10987839}
}