@book{40716,
	author = {Zapatero Álvarez, Ana Isabel.},
	title = {Operaciones básicas de comunicación :},
	publisher = {Editorial CEP S.L.,},
	year = {2012.},
	series = {Formación para el empleo},
	address = {Madrid :},
	note = {Contiene índice.},
	url = {https://elibro.net/ereader/politecnicointernacional/50729}
}