(2002). Tourism in the age of alliances, mergers and acquisitions. Madrid: World Tourism Organization.
استشهاد بنمط شيكاغوTourism in the Age of Alliances, Mergers and Acquisitions. Madrid: World Tourism Organization, 2002.
MLA استشهادTourism in the Age of Alliances, Mergers and Acquisitions. Madrid: World Tourism Organization, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.