Regional Conference for Africa and the Mediterranean Tunisia. (1991). Securite alimentaire et tourism: Congres regional pour l'Afrique et la Mediterrane = food safety and tourism : regional conference for Africa and the Mediterranean. World Tourism Organization.
Παραπομπή σε μορφή Chicago (17η εκδ.)Regional Conference for Africa and the Mediterranean Tunisia. Securite Alimentaire Et Tourism: Congres Regional Pour L'Afrique Et La Mediterrane = Food Safety and Tourism : Regional Conference for Africa and the Mediterranean. Madrid: World Tourism Organization, 1991.
Παραπομπή σε μορφή MLA (9th εκδ.)Regional Conference for Africa and the Mediterranean Tunisia. Securite Alimentaire Et Tourism: Congres Regional Pour L'Afrique Et La Mediterrane = Food Safety and Tourism : Regional Conference for Africa and the Mediterranean. World Tourism Organization, 1991.