World Tourism Organization. (1995). GATS implications for tourism: The General Agreement on Trade in Services and Tourism : WTO seminar & conference proceedings, Palazzo ai Giureconsulti, Milan, Italy, 2-3 December 1994. Madrid: World Tourism Organization.
Παραπομπή Chicago StyleWorld Tourism Organization. GATS Implications for Tourism: The General Agreement On Trade in Services and Tourism : WTO Seminar & Conference Proceedings, Palazzo Ai Giureconsulti, Milan, Italy, 2-3 December 1994. Madrid: World Tourism Organization, 1995.
Παραπομπή MLAWorld Tourism Organization. GATS Implications for Tourism: The General Agreement On Trade in Services and Tourism : WTO Seminar & Conference Proceedings, Palazzo Ai Giureconsulti, Milan, Italy, 2-3 December 1994. Madrid: World Tourism Organization, 1995.