(1997). Health and environment in sustainable development: Five years after the earth summit. UNEP.
Chicago-referens (17:e uppl.)Health and Environment in Sustainable Development: Five Years After the Earth Summit. Ginebra: UNEP, 1997.
MLA-referens (9:e uppl.)Health and Environment in Sustainable Development: Five Years After the Earth Summit. UNEP, 1997.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.