(1997). Health and environment in sustainable development: Five years after the earth summit. UNEP.
Citação norma ChicagoHealth and Environment in Sustainable Development: Five Years After the Earth Summit. Ginebra: UNEP, 1997.
Citação norma MLAHealth and Environment in Sustainable Development: Five Years After the Earth Summit. UNEP, 1997.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.