एपीए उद्धरण

(2003). World resources 2002-2004: Decisions for the earth : balance, voice and power. Washington, D.C: World Resources Institute.

शिकागो स्टाइल उद्धरण

World Resources 2002-2004: Decisions for the Earth : Balance, Voice and Power. Washington, D.C: World Resources Institute, 2003.

एमएलए उद्धरण

World Resources 2002-2004: Decisions for the Earth : Balance, Voice and Power. Washington, D.C: World Resources Institute, 2003.