Cita APA (7th ed.)

World Resources Institute. A Guide to world resources 2002-2004: Desicions for the earth balance, voice and power. S.n.

Cita Chicago (17th ed.)

World Resources Institute. A Guide to World Resources 2002-2004: Desicions for the Earth Balance, Voice and Power. Washington, D.C.: S.n.

Cita MLA (9th ed.)

World Resources Institute. A Guide to World Resources 2002-2004: Desicions for the Earth Balance, Voice and Power. S.n.