@book{243218,
	author = {Peñarroya, Montserrat, and Casas, Helena,},
	title = {Cómo ser primeros en Google sin pagar :},
	publisher = {Editorial UOC,},
	year = {[2014]},
	series = {Comunicación},
	address = {Barcelona :},
	edition = {Primera edición en formato digital.},
	url = {https://www.digitaliapublishing.com/a/36940/}
}