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Lua i Stíl Chicago (17ú heag.)The Economist. Guide to Economic Indicators: Making Sense of Economics - 7th Edition. London: The Economist in Association with Profile Books Ltd, 2010.
Lua MLA (9ú heag.)The Economist. Guide to Economic Indicators: Making Sense of Economics - 7th Edition. The Economist in Association with Profile Books Ltd, 2010.
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