Cita APA (7a ed.)

The Economist Intelligence Unit. (1999). Best practices: Environment. Univerties Press.

Cita Chicago Style (17a ed.)

The Economist Intelligence Unit. Best Practices: Environment. India: Univerties Press, 1999.

Cita MLA (8a ed.)

The Economist Intelligence Unit. Best Practices: Environment. Univerties Press, 1999.