The Economist. (2006). The economist pocket world in figures 2007 (2007 edition.). The Economist in association with Profile Books.
Tohutoru Kātū Chicago (17th ed.)The Economist. The Economist Pocket World in Figures 2007. 2007 edition. London: The Economist in association with Profile Books, 2006.
Tohutoro MLA (9th ed.)The Economist. The Economist Pocket World in Figures 2007. 2007 edition. The Economist in association with Profile Books, 2006.
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