@book{30052,
	author = {Levin, Richard I.  and Bohon Devars, Jose Antonio.},
	title = {Estadística para administración y economía /},
	publisher = {Prentice Hall },
	year = {2010.},
	address = {México },
	edition = {7a ed. rev.},
	note = {Folio de los CD Rom:1756; 1761}
}