United Nations Conference on Trade and Development. (1969). Rules of origin in the general scheme of preferences in favour of developing countries. United Nations.
Citace podle Chicago (17th ed.)United Nations Conference on Trade and Development. Rules of Origin in the General Scheme of Preferences in Favour of Developing Countries. N.Y.: United Nations, 1969.
Citace podle MLA (8th ed.)United Nations Conference on Trade and Development. Rules of Origin in the General Scheme of Preferences in Favour of Developing Countries. United Nations, 1969.
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