@book{593,
	author = {Mas-Colell, Andreu and Whinston, Michael D.},
	title = {Microeconomic theory},
	publisher = {Oxford University Press},
	year = {1995},
	address = {New York :},
	url = {https://www.biblioeco.unsa.edu.ar/pmb/images/libros/14652.jpg}
}