United Nations Conference on Trade and Development & United Nations Conference on Trade and Development. Special Committee on Preferences. (1974). Operation and effects of the generalized system of preferences. United Nations.
Citação do estilo Chicago (17ª ed.)United Nations Conference on Trade and Development e United Nations Conference on Trade and Development. Special Committee on Preferences. Operation and Effects of the Generalized System of Preferences. New York: United Nations, 1974.
Citação MLA (8ª ed.)United Nations Conference on Trade and Development e United Nations Conference on Trade and Development. Special Committee on Preferences. Operation and Effects of the Generalized System of Preferences. United Nations, 1974.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.