@book{181125,
	author = {Hopkins, Kenneth D. and Hopkins, B.R.},
	title = {Estadística básica para las ciencias sociales y del comportamiento},
	publisher = {Prentice Hall},
	year = {c1997.},
	series = {Pearson Educación},
	address = {México},
	edition = {3ra ed.},
	note = {Translation of: Basic statistics for the behavioral sciences, 3rd ed.}
}