United States. Central Intelligence Agency. (1977). The international energy situation, outlook to 1985. Central Intelligence Agency.
芝加哥风格引文United States. Central Intelligence Agency. The International Energy Situation, Outlook to 1985. [Washington]: Central Intelligence Agency, 1977.
MLA引文United States. Central Intelligence Agency. The International Energy Situation, Outlook to 1985. Central Intelligence Agency, 1977.
警告：这些引文格式不一定是100％准确.