@book{5107,
	author = {Sargent, Thomas J. and Cuervo Arango, Carlos},
	title = {Teoría macroeconómica},
	publisher = {Antoni Bosch},
	year = {1988},
	address = {Barcelona :},
	edition = {2a. ed.},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/libros/L128531.jpg}
}