World Tourism Organization. (2007). Tourism market trends: Middle east. Madrid: World Tourism Organization.
Citación estilo ChicagoWorld Tourism Organization. Tourism Market Trends: Middle East. Madrid: World Tourism Organization, 2007.
Cita MLAWorld Tourism Organization. Tourism Market Trends: Middle East. Madrid: World Tourism Organization, 2007.
Precaución: Estas citas no son 100% exactas.