@article {8580,
	title = {Copyright{\textcopyright} 2009 World Tourism Organization Website: www. unwto. org Email: omt@ unwto. org},
	year = {2009},
	author = {Cabrini, Luigi and Simpson, Murray and Scott, Daniel and Yunis, Eugenio and Urosevic, Zoritsa and Gutierrez, Sofia and Lemaistre, Philippe and Calvente, Alejandro}
}
