@book{1973,
	author = {Acerenza, Miguel Ángel},
	title = {Conceptualización origen y evolución del turismo /},
	publisher = {Trillas,},
	year = {2006.},
	series = {Trillas turismo},
	address = {México :},
	url = {https://isae.metabiblioteca.org/cgi-bin/koha/opac-retrieve-file.pl?id=d2cc7c30942edbd64fba15b0356aa5af}
}