Christiaensen, L. J., & Demery, L. (2007). Down to earth: Agriculture and poverty reduction in Africa. World Bank.
Citação do estilo Chicago (17ª ed.)Christiaensen, Luc J., e Lionel Demery. Down to Earth: Agriculture and Poverty Reduction in Africa. Washington, DC: World Bank, 2007.
Citação MLA (9ª ed.)Christiaensen, Luc J., e Lionel Demery. Down to Earth: Agriculture and Poverty Reduction in Africa. World Bank, 2007.