Christiaensen, L. J., & Demery, L. (2007). Down to earth: Agriculture and poverty reduction in Africa. World Bank.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Christiaensen, Luc J., ба Lionel Demery. Down to Earth: Agriculture and Poverty Reduction in Africa. Washington, DC: World Bank, 2007.
MLA -ийн эшлэл (9 дэх хэвлэлт)Christiaensen, Luc J., ба Lionel Demery. Down to Earth: Agriculture and Poverty Reduction in Africa. World Bank, 2007.