@book{52229,
	author = {Spiegel, Murray R.},
	title = {Teoría y problemas de estadística},
	year = {c1970.},
	series = {Serie de compendios Schaum},
	address = {México : McGraw-Hill},
	edition = {1. ed. en español.},
	note = {Translation of: Schaum's outline of theory and problems of statistics.}
}