@book{5022,
	author = {Mankiw, N. Gregory and Rabasco Espáriz, Esther},
	title = {Principios de economía},
	publisher = {McGraw-Hill},
	year = {1998},
	address = {Madrid :},
	url = {https://www.biblioeco.unsa.edu.ar/pmb/images/libros/L128335.jpg}
}