APA

World Tourism Organization (UNWTO), . (2004). Tourism satellite account (tsa) implementation project enzo paci paperson measuring the economic significance of tourtism. Madrid: World Tourism Organization (UNWTO).

Chicago

World Tourism Organization (UNWTO), . 2004. Tourism satellite account (tsa) implementation project enzo paci paperson measuring the economic significance of tourtism. Madrid: World Tourism Organization (UNWTO).

Harvard

World Tourism Organization (UNWTO), . (2004). Tourism satellite account (tsa) implementation project enzo paci paperson measuring the economic significance of tourtism. Madrid: World Tourism Organization (UNWTO).

MLA

World Tourism Organization (UNWTO), . Tourism satellite account (tsa) implementation project enzo paci paperson measuring the economic significance of tourtism. Madrid: World Tourism Organization (UNWTO). 2004.