@book{157468,
	author = {Amón, Jesús.},
	title = {Estadística para psicólogos},
	publisher = {Pirámide},
	year = {1993},
	series = {Colección Psicología},
	address = {Madrid},
	edition = {15. ed.},
	note = {v. 2, 9. ed.}
}