@book{12363,
	author = {Spiegel, Murray R.  and Stephens, Larry J., autor.},
	title = {Estadística. /},
	publisher = {McGraw-Hill, },
	year = {2002},
	series = { ( Schaum )},
	address = {México, D. F. :},
	edition = {Tercera edición},
	note = {Incluye índice.}
}