@book{254330,
	author = {United States.},
	title = {OJJDP comprehensive gang model :},
	publisher = {Office of Juvenile Justice and Delinquency Prevention ;},
	year = {2009.},
	address = {[Washington, DC] :},
	note = {Title from title screen (viewed on Aug. 4, 2016).},
	url = {http://purl.fdlp.gov/GPO/gpo70909}
}