@book{92655,
	author = {Epstein, Lee},
	title = {Constitutional law for a changing America.},
	publisher = {CQ Press},
	year = {2007},
	address = {Washington D.C. (Estados Unidos)},
	edition = {6th ed.},
	url = {http://www.loc.gov/catdir/toc/ecip078/2007000172.html}
}