@book{47870,
	author = {Olweus, Dan, and Filella, Roc},
	title = {Conductas de acoso y amenaza entre escolares /},
	publisher = {Morata,},
	year = {2006.},
	series = {Pedagogía. La Pedagogía hoy},
	address = {Madrid :},
	edition = {Tercera edición.}
}