Dyfyniad APA

The Economist. (2006). The economist pocket world in figures 2007 (2007 edition.). The Economist in association with Profile Books.

Dyfyniad Arddull Chicago

The Economist. The Economist Pocket World in Figures 2007. 2007 edition. London: The Economist in association with Profile Books, 2006.

Dyfyniad MLA

The Economist. The Economist Pocket World in Figures 2007. 2007 edition. The Economist in association with Profile Books, 2006.

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