@book{66,
	author = {Berenson, Mark L. and Levine, David M.},
	title = {Estadística básica en administración},
	publisher = {Prentice-Hall Hispanoamericana},
	year = {1996},
	address = {México :},
	edition = {6a. ed.},
	url = {https://www.biblioeco.unsa.edu.ar/pmb/images/libros/89.jpg}
}