United Nations Conference on Trade and Development. Secretariat. (1968). The Kennedy Round estimated effects on tariff barriers: Report. United Nations.
芝加哥风格引文United Nations Conference on Trade and Development. Secretariat. The Kennedy Round Estimated Effects on Tariff Barriers: Report. New York: United Nations, 1968.
MLA引文United Nations Conference on Trade and Development. Secretariat. The Kennedy Round Estimated Effects on Tariff Barriers: Report. United Nations, 1968.
警告：这些引文格式不一定是100％准确.