World Health Organization, Geneva. (2006). Concise international chemical assessment document (CICAD) 68: Tetrachloroethene. World Health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization, Geneva. Concise International Chemical Assessment Document (CICAD) 68: Tetrachloroethene. Geneva: World Health Organization, 2006.
Citatione MLA (8a ed.)World Health Organization, Geneva. Concise International Chemical Assessment Document (CICAD) 68: Tetrachloroethene. World Health Organization, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.