APA aipamena

World Health Organization. (1997). Determination of airborne fibre number concentrations. World Health Organization.

Chicago Style aipamena

World Health Organization. Determination of Airborne Fibre Number Concentrations. Geneva: World Health Organization, 1997.

MLA aipamena

World Health Organization. Determination of Airborne Fibre Number Concentrations. World Health Organization, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.