@book{114004,
	author = {Guilford, J. P. and Fruchter, Benjamin},
	title = {Estadística aplicada a la psicología y la educación},
	publisher = {McGraw-Hill},
	year = {c1984.},
	address = {Mexico},
	edition = {6th ed.},
	note = {Translation of: Fundamental statistcs in psychology and education.}
}