Christiaensen, L. J., & Demery, L. (2007). Down to earth: Agriculture and poverty reduction in Africa. World Bank.
芝加哥风格引文Christiaensen, Luc J., 与 Lionel Demery. Down to Earth: Agriculture and Poverty Reduction in Africa. Washington, DC: World Bank, 2007.
MLA引文Christiaensen, Luc J., 与 Lionel Demery. Down to Earth: Agriculture and Poverty Reduction in Africa. World Bank, 2007.
警告：这些引文格式不一定是100％准确.