Christiaensen, L. J., & Demery, L. (2007). Down to earth: Agriculture and poverty reduction in Africa. World Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रChristiaensen, Luc J., और Lionel Demery. Down to Earth: Agriculture and Poverty Reduction in Africa. Washington, DC: World Bank, 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रChristiaensen, Luc J., और Lionel Demery. Down to Earth: Agriculture and Poverty Reduction in Africa. World Bank, 2007.