World Bank & ebrary, Inc. (2007). World development indicators 2007. World Bank.
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Chicago Style (17th ed.) Citation
World Bank and Inc ebrary. World Development Indicators 2007. Washington, DC: World Bank, 2007.
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MLA引文
World Bank and Inc ebrary. World Development Indicators 2007. World Bank, 2007.
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警告：這些引文格式不一定是100％准確.