@book{227061,
	author = {Torre Hernández, Francisco Javier de la. and Torre Zermeño, Francisco J. de la. and e-libro, Corp.},
	title = {Ciencias de la Comunicación II},
	publisher = {McGraw-Hill},
	year = {2009.},
	address = {México},
	edition = {3a. ed.},
	url = {http://site.ebrary.com/lib/pucpr/Doc?id=10467144}
}