(2000). Entering the 21st Century: World Development Report 1999/2000. Oxford University Press.
Chicago Style (17th ed.) ZitazioaEntering the 21st Century: World Development Report 1999/2000. New York: Oxford University Press, 2000.
MLA (9th ed.) ZitazioaEntering the 21st Century: World Development Report 1999/2000. Oxford University Press, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.