World Bank. Operations Evaluation Department, Besley, T., & Zagha, R. (2005). Development challenges in the 1990s: Leading policymakers speak from experience. World Bank ; Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWorld Bank. Operations Evaluation Department, Timothy Besley, और Roberto Zagha. Development Challenges in the 1990s: Leading Policymakers Speak from Experience. Washington, DC : New York: World Bank ; Oxford University Press, 2005.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWorld Bank. Operations Evaluation Department, et al. Development Challenges in the 1990s: Leading Policymakers Speak from Experience. World Bank ; Oxford University Press, 2005.
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