Cita APA (7th ed.)
World Bank & ebrary, Inc. (2000). World development indicators: 2000. The World Bank.
Cita Chicago (17th ed.)
World Bank i Inc ebrary. World Development Indicators: 2000. Washington: The World Bank, 2000.
Cita MLA (9th ed.)
World Bank i Inc ebrary. World Development Indicators: 2000. The World Bank, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.