@book{407,
	author = {Parkin, Michael and Loría Díaz, Eduardo},
	title = {Microeconomía},
	publisher = {Pearson Educación},
	year = {2010},
	address = {México :},
	edition = {9a. ed.},
	url = {https://biblioeco.unsa.edu.ar/pmb/images/libros/Microeconom?a(9a ed).jpg}
}