Christiaensen, L. J., & Demery, L. (2007). Down to earth: Agriculture and poverty reduction in Africa. World Bank.
Chicago Style (17th ed.) ZitazioaChristiaensen, Luc J., eta Lionel Demery. Down to Earth: Agriculture and Poverty Reduction in Africa. Washington, DC: World Bank, 2007.
MLA (9th ed.) ZitazioaChristiaensen, Luc J., eta Lionel Demery. Down to Earth: Agriculture and Poverty Reduction in Africa. World Bank, 2007.