@book{14590,
	author = {Castro Santander, Alejandro, and Reta Bravo, Cristina,},
	title = {Bullying blando, bullying duro y ciberbullying :},
	publisher = {Homo Sapiens,},
	year = {2013.},
	series = {Educación.},
	address = {Rosario :},
	edition = {1era edición.}
}