@book{5299,
	author = {Keynes, John Maynard and Friedman, Milton},
	title = {Crítica de la economía clásica},
	publisher = {Ariel},
	year = {1972},
	address = {Barcelona :},
	edition = {3a. ed.},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/libros/L128490.jpg}
}