@book{90,
	author = {Mochón Morcillo, Francisco},
	title = {Economía, teoría y política},
	publisher = {McGraw-Hill},
	year = {2005},
	address = {Madrid :},
	edition = {5a. ed},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/libros/Economia y Teoria Politica.jpg}
}