@book{25072,
	author = {Kowalski, Robin M. and Agatston, Patricia. and e-libro, Corp.},
	title = {Cyber bullying},
	publisher = {Desclée de Brouwer,},
	year = {[2010]},
	address = {Bilbao :},
	url = {https://elibro.net/ereader/politecnicointernacional/47913}
}