United Nations. Economic Commission for Europe. (1979). UN/ECE general conditions of sale for dry (shelled and unshelled) and dried fruit. United Nations.
Cita Chicago (17th ed.)United Nations. Economic Commission for Europe. UN/ECE General Conditions of Sale for Dry (shelled and Unshelled) and Dried Fruit. New York: United Nations, 1979.
Cita MLA (9th ed.)United Nations. Economic Commission for Europe. UN/ECE General Conditions of Sale for Dry (shelled and Unshelled) and Dried Fruit. United Nations, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.