The Economist. (2003). The economist pocket world in figures 2004 (2004 edition.). The Economist Newspaper Ltd..
芝加哥风格引文The Economist. The Economist Pocket World in Figures 2004. 2004 edition. London: The Economist Newspaper Ltd., 2003.
MLA引文The Economist. The Economist Pocket World in Figures 2004. 2004 edition. The Economist Newspaper Ltd., 2003.
警告：这些引文格式不一定是100％准确.