@book{406,
	author = {Pindyck, Robert S. and Rubinfeld, Daniel L.},
	title = {Microeconomía},
	publisher = {Pearson Educación},
	year = {2009},
	address = {Madrid :},
	edition = {7a. ed.},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/libros/Microeconomia-l118455.jpg}
}