@book{6621,
	author = {Mankiw, N. Gregory},
	title = {Macroeconomía},
	publisher = {Cengage Learning},
	year = {2021},
	address = {Mèxico :},
	edition = {7a. ed.},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/libros/L129020.jpg}
}