World Health Organization, Geneva. (2006). Concise international chemical assessment document (CICAD) 68: Tetrachloroethene. World Health Organization.
芝加哥风格引文World Health Organization, Geneva. Concise International Chemical Assessment Document (CICAD) 68: Tetrachloroethene. Geneva: World Health Organization, 2006.
MLA引文World Health Organization, Geneva. Concise International Chemical Assessment Document (CICAD) 68: Tetrachloroethene. World Health Organization, 2006.
警告：这些引文格式不一定是100％准确.