APA aipamena

(1997). Health and environment in sustainable development: Five years after the earth summit. UNEP.

Chicago Style aipamena

Health and Environment in Sustainable Development: Five Years After the Earth Summit. Ginebra: UNEP, 1997.

MLA aipamena

Health and Environment in Sustainable Development: Five Years After the Earth Summit. UNEP, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.