@book{3477,
	author = {Punch, Maurice. and ebrary, Inc.},
	title = {Zero tolerance policing},
	publisher = {Policy Press,},
	year = {c2007.},
	series = {Researching criminal justice series},
	address = {Bristol, UK :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10281208}
}