World Tourism Organization. Market Intelligence and Promotion Section & World Tourism Organization. Tourism Recovery Committee. (2002). Tourism Recovery Committee for the Mediterranean Region: A joint initiative of Tunisia and Spain with the support of the WTO Business Council. World Tourism Organization.
Παραπομπή σε μορφή Chicago (17η εκδ.)World Tourism Organization. Market Intelligence and Promotion Section και World Tourism Organization. Tourism Recovery Committee. Tourism Recovery Committee for the Mediterranean Region: A Joint Initiative of Tunisia and Spain with the Support of the WTO Business Council. Madrid: World Tourism Organization, 2002.
Παραπομπή σε μορφή MLA (9th εκδ.)World Tourism Organization. Market Intelligence and Promotion Section και World Tourism Organization. Tourism Recovery Committee. Tourism Recovery Committee for the Mediterranean Region: A Joint Initiative of Tunisia and Spain with the Support of the WTO Business Council. World Tourism Organization, 2002.