Conference on Tourism, Peace, and Sustainable Development, World Tourism Organization, & WTO Commission for Africa. (2003). Tourism, peace and sustainable development for Africa: Luanda, Angola 29-30 May 2003 = Le tourisme, la paix et le developpment durable pour l'Afrique : Luanda, Angola 29-30 Mai 2003. World Tourism Organization.
Παραπομπή σε μορφή Chicago (17η εκδ.)Conference on Tourism, Peace, and Sustainable Development, World Tourism Organization, και WTO Commission for Africa. Tourism, Peace and Sustainable Development for Africa: Luanda, Angola 29-30 May 2003 = Le Tourisme, La Paix Et Le Developpment Durable Pour L'Afrique : Luanda, Angola 29-30 Mai 2003. Madrid, Spain: World Tourism Organization, 2003.
Παραπομπή σε μορφή MLA (9th εκδ.)Conference on Tourism, Peace, and Sustainable Development, et al. Tourism, Peace and Sustainable Development for Africa: Luanda, Angola 29-30 May 2003 = Le Tourisme, La Paix Et Le Developpment Durable Pour L'Afrique : Luanda, Angola 29-30 Mai 2003. World Tourism Organization, 2003.