World Bank & Yusuf, S. (2000). Entering the 21st century: World development report, 1999/2000. Published for the World Bank, Oxford University Press.
Cita Chicago (17th ed.)World Bank i Shahid Yusuf. Entering the 21st Century: World Development Report, 1999/2000. New York: Published for the World Bank, Oxford University Press, 2000.
Cita MLA (8th ed.)World Bank i Shahid Yusuf. Entering the 21st Century: World Development Report, 1999/2000. Published for the World Bank, Oxford University Press, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.