Economic and Social Commission for Western Asia & United Nations. Economic and Social Commission for Western Asia. Sustainable Development and Productivity Division. (2003). Review of sustainable development and productivity activities. United Nations.
Παραπομπή σε μορφή Chicago (17η εκδ.)Economic and Social Commission for Western Asia και United Nations. Economic and Social Commission for Western Asia. Sustainable Development and Productivity Division. Review of Sustainable Development and Productivity Activities. New York: United Nations, 2003.
Παραπομπή σε μορφή MLA (9th εκδ.)Economic and Social Commission for Western Asia και United Nations. Economic and Social Commission for Western Asia. Sustainable Development and Productivity Division. Review of Sustainable Development and Productivity Activities. United Nations, 2003.