@book{4284,
	author = {Elogia},
	title = {Estudio anual Redes Sociales 2017},
	year = {2017},
	edition = {ed. reducida},
	url = {http://iabspain.es/el-86-de-los-usuarios-192-millones-utilizan-a-diario-las-redes-sociales-en-espana/},
}