World Bank & ebrary, Inc. (2009). Increasing formality and productivity of Bolivian firms. World Bank.
芝加哥风格引文World Bank 与 Inc ebrary. Increasing Formality and Productivity of Bolivian Firms. Washington, DC: World Bank, 2009.
MLA引文World Bank 与 Inc ebrary. Increasing Formality and Productivity of Bolivian Firms. World Bank, 2009.
警告：这些引文格式不一定是100％准确.