@book{29339,
	author = {Ripstein, Arthur.},
	title = {Ronald Dworkin /},
	publisher = {Cambridge University Press,},
	year = {2007.},
	series = {Contemporary philosophy in focus},
	address = {Cambridge ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0703/2006038179-d.html}
}