@book{71840,
	author = {Gray, John, and ebrary, Inc.},
	title = {Mill on liberty},
	publisher = {Routledge & K. Paul,},
	year = {1996.},
	address = {London ;},
	edition = {2nd ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10057655}
}