Παραπομπή σε μορφή APA (7η εκδ.)

World Tourism Organization. (2002). Tourism in the age of alliances, mergers and acquisitions. World Tourism Organization.

Παραπομπή σε μορφή Chicago (17η εκδ.)

World Tourism Organization. Tourism in the Age of Alliances, Mergers and Acquisitions. Madrid, Spain: World Tourism Organization, 2002.

Παραπομπή σε μορφή MLA (9th εκδ.)

World Tourism Organization. Tourism in the Age of Alliances, Mergers and Acquisitions. World Tourism Organization, 2002.