एपीए उद्धरण

(2006). 2006: World development indicators. Washington, D.C: The World Bank.

शिकागो स्टाइल उद्धरण

2006: World Development Indicators. Washington, D.C: The World Bank, 2006.

एमएलए उद्धरण

2006: World Development Indicators. Washington, D.C: The World Bank, 2006.