@book{1422,
	author = {Parkin, Michael and Sánchez Carrión, Miguel Angel},
	title = {Economía},
	publisher = {Pearson Educación},
	year = {2004},
	address = {México :},
	edition = {6a. ed},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/libros/Economia 6ed.jpg}
}