WHO Expert Committee on the Use of Essential Drugs & World Health Organization. (2000). The use of essential drugs: Ninth report of the WHO Expert Committee (including the revised Model list of essential drugs). World Health Organization.
Cita Chicago (17th ed.)WHO Expert Committee on the Use of Essential Drugs i World Health Organization. The Use of Essential Drugs: Ninth Report of the WHO Expert Committee (including the Revised Model List of Essential Drugs). Geneva: World Health Organization, 2000.
Cita MLA (8th ed.)WHO Expert Committee on the Use of Essential Drugs i World Health Organization. The Use of Essential Drugs: Ninth Report of the WHO Expert Committee (including the Revised Model List of Essential Drugs). World Health Organization, 2000.