@book{78958,
	author = {Mason, Robert D. and Lind, Douglas A.},
	title = {Estadística :},
	publisher = {Alfaomega,},
	year = {1998.},
	address = {México, D.F. :},
	edition = {8 ed.},
	note = {Trad. de : Statistical techniques in business and economics, 8 ed. 1997?}
}