United Nations Conference on Trade and Development. (2010). Promoting foreign: Investment in tourism. United Nations.
Citazione stile Chigago Style (17a edizione)United Nations Conference on Trade and Development. Promoting Foreign: Investment in Tourism. New York ; Geneva: United Nations, 2010.
Citatione MLA (9a ed.)United Nations Conference on Trade and Development. Promoting Foreign: Investment in Tourism. United Nations, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.