@book{1173,
	author = {Mankiw, N. Gregory and Meza y Staines, Maria Guadalupe},
	title = {Principios de economía},
	publisher = {Cengage Learning Editores},
	year = {2012},
	address = {México :},
	edition = {6a. ed.},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/libros/Principios de Econom?a (2012).jpg}
}