Παραπομπή σε μορφή APA (7η εκδ.)

World Tourism Organization. (2012). Challenges and opportunities for tourism develooment in small island developing states. World Tourism Organization.

Παραπομπή σε μορφή Chicago (17η εκδ.)

World Tourism Organization. Challenges and Opportunities for Tourism Develooment in Small Island Developing States. Madrid: World Tourism Organization, 2012.

Παραπομπή σε μορφή MLA (9th εκδ.)

World Tourism Organization. Challenges and Opportunities for Tourism Develooment in Small Island Developing States. World Tourism Organization, 2012.