Economic and Social Commission for Western Asia & United Nations. Economic and Social Commission for Western Asia. (2009). Framework for environmental economic accounting in the ESCWA region. United Nations.
Chicago (17e ed.) BronvermeldingEconomic and Social Commission for Western Asia en United Nations. Economic and Social Commission for Western Asia. Framework for Environmental Economic Accounting in the ESCWA Region. New York: United Nations, 2009.
MLA (9e ed.) BronvermeldingEconomic and Social Commission for Western Asia en United Nations. Economic and Social Commission for Western Asia. Framework for Environmental Economic Accounting in the ESCWA Region. United Nations, 2009.