@book{1187,
	author = {Molina E., Sergio.},
	title = {Turismo y ecología /},
	publisher = {Editorial Trillas,},
	year = {2006, reimp. 2012.},
	series = {Trillas turismo},
	address = {México, D.F. :},
	edition = {7a ed., reimpresión 2012.}
}