Παραπομπή σε μορφή APA (7η εκδ.)

World Tourism Organization (WTO). Air connectivity and its impact on tourism in Asia and the Pacific (Madrid.). c2014.

Παραπομπή σε μορφή Chicago (17η εκδ.)

World Tourism Organization (WTO). Air Connectivity and Its Impact on Tourism in Asia and the Pacific. Madrid. World Tourism Organization: c2014.

Παραπομπή σε μορφή MLA (9th εκδ.)

World Tourism Organization (WTO). Air Connectivity and Its Impact on Tourism in Asia and the Pacific. Madrid. c2014.