@book{21847,
	author = {Rousseau, Jean-Jacques, and Moreno, Daniel.},
	title = {El contrato social, o principios de derecho político ;},
	publisher = {Porrúa },
	year = {2004.},
	series = {Sepan cuantos..;},
	address = {México },
	edition = {14a ed.}
}