AFCAC-WTO Tourism and air transport in Africa & World Tourism Organization. (2002). AFCAC-WTO international conference on tourism and air transport in Africa: WTO Commission for Africa, Windhoek, Namibia 28-31 May 2001. World Tourism Organization.
Παραπομπή σε μορφή Chicago (17η εκδ.)AFCAC-WTO Tourism and air transport in Africa και World Tourism Organization. AFCAC-WTO International Conference on Tourism and Air Transport in Africa: WTO Commission for Africa, Windhoek, Namibia 28-31 May 2001. Madrid: World Tourism Organization, 2002.
Παραπομπή σε μορφή MLA (9th εκδ.)AFCAC-WTO Tourism and air transport in Africa και World Tourism Organization. AFCAC-WTO International Conference on Tourism and Air Transport in Africa: WTO Commission for Africa, Windhoek, Namibia 28-31 May 2001. World Tourism Organization, 2002.