United Nations. Department of Economic and Social Affairs. (2009). World economic and social survey 2009: Promoting development, saving the planet. United Nations.
Citazione stile Chigago Style (17a edizione)United Nations. Department of Economic and Social Affairs. World Economic and Social Survey 2009: Promoting Development, Saving the Planet. New York: United Nations, 2009.
Citatione MLA (9a ed.)United Nations. Department of Economic and Social Affairs. World Economic and Social Survey 2009: Promoting Development, Saving the Planet. United Nations, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.