The Economist. (2006). The economist pocket world in figures 2007 (2007 edition.). The Economist in association with Profile Books.
Citazione stile Chigago Style (17a edizione)The Economist. The Economist Pocket World in Figures 2007. 2007 edition. London: The Economist in association with Profile Books, 2006.
Citatione MLA (9a ed.)The Economist. The Economist Pocket World in Figures 2007. 2007 edition. The Economist in association with Profile Books, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.