@book{7861,
	author = {Spiegel, Murray R. and Stephens, Larry J.},
	title = {Estatística /},
	publisher = {Bookman,},
	year = {2009.},
	series = {(Coleção Schaum)},
	address = {Porto Alegre :},
	edition = {4. ed. -},
	note = {Título original: Schaum's outlines: Theory and problems of statistics, 4. ed.}
}