Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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