@book{1914,
	author = {Alonso Coto, Manuel A.},
	title = {El plan de marketing digital :},
	publisher = {Pearson Education,},
	year = {2008.},
	address = {Madrid :},
	url = {https://isae.metabiblioteca.org/cgi-bin/koha/opac-retrieve-file.pl?id=75c5535300352a6f3373af7038439e1f}
}