Cita APA (7a ed.)

Organización de Países Exportadores de Petróleo & The OPEC Fund for International Development. (2003). The OPEC Fund and Development Cooperation in a Changing World. Fund for International Development (OPEC).

Cita Chicago Style (17a ed.)

Organización de Países Exportadores de Petróleo y The OPEC Fund for International Development. The OPEC Fund and Development Cooperation in a Changing World. Vienna: Fund for International Development (OPEC), 2003.

Cita MLA (8a ed.)

Organización de Países Exportadores de Petróleo y The OPEC Fund for International Development. The OPEC Fund and Development Cooperation in a Changing World. Fund for International Development (OPEC), 2003.