@book{3964,
	author = {Duverger, Maurice},
	title = {Instituciones políticas y derecho constitucional},
	publisher = {Ariel},
	year = {1980},
	address = {Barcelona :},
	edition = {6a. ed.},
	url = {https://www.biblioeco.unsa.edu.ar/pmb/images/libros/L53280.jpg}
}