United Nations Conference on Trade and Development. (2012). State of commodity dependence 2012. United Nations Conference on Trade and Development.
芝加哥风格引文United Nations Conference on Trade and Development. State of Commodity Dependence 2012. New York: United Nations Conference on Trade and Development, 2012.
MLA引文United Nations Conference on Trade and Development. State of Commodity Dependence 2012. United Nations Conference on Trade and Development, 2012.
警告：这些引文格式不一定是100％准确.