@book{3112,
	author = {Levin, Richard I. and Rubin, David S.},
	title = {Estadistica para administradores.},
	publisher = {Prentice Hall Hispanoamericana, },
	year = {1996.},
	address = {México : },
	edition = {6ta.ed.},
	note = {Incluye bibliografía. }
}