United Nations Economic and Social Commission for Western Asia. (2009). Compendium of environment statistics in the ESCWA region ,2008-2009. United Nations.
Citazione stile Chigago Style (17a edizione)United Nations Economic and Social Commission for Western Asia. Compendium of Environment Statistics in the ESCWA Region ,2008-2009. New York: United Nations, 2009.
Citatione MLA (9a ed.)United Nations Economic and Social Commission for Western Asia. Compendium of Environment Statistics in the ESCWA Region ,2008-2009. United Nations, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.