Παραπομπή σε μορφή APA (7η εκδ.)

World Tourism Organization. (2007). Sustainable development of tourism in deserts: Guidelines for decision makers. World Tourism Organization.

Παραπομπή σε μορφή Chicago (17η εκδ.)

World Tourism Organization. Sustainable Development of Tourism in Deserts: Guidelines for Decision Makers. Madrid, Spain: World Tourism Organization, 2007.

Παραπομπή σε μορφή MLA (9th εκδ.)

World Tourism Organization. Sustainable Development of Tourism in Deserts: Guidelines for Decision Makers. World Tourism Organization, 2007.