(1992). Our Planet, our Health Report of the Who Commission on Health and Environment.
Chicago-referens (17:e uppl.)Our Planet, Our Health Report of the Who Commission on Health and Environment. 1992.
MLA-referens (9:e uppl.)Our Planet, Our Health Report of the Who Commission on Health and Environment. 1992.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.