World Health Organization. (2003). Who drug information. World Health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization. Who Drug Information. Ginebra: World Health Organization, 2003.
Citatione MLA (9a ed.)World Health Organization. Who Drug Information. World Health Organization, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.