United Nations Conference on Trade and Development. (2011). UNCTAD handbook of statistics 2011. United Nations.
Citazione stile Chigago Style (17a edizione)United Nations Conference on Trade and Development. UNCTAD Handbook of Statistics 2011. New York: United Nations, 2011.
Citatione MLA (9a ed.)United Nations Conference on Trade and Development. UNCTAD Handbook of Statistics 2011. United Nations, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.