World Health Organization. (2002). Who model formulary (Primera edición.). Editorial WHO.
Citazione stile Chigago Style (17a edizione)World Health Organization. Who Model Formulary. Primera edición. Geneva: Editorial WHO, 2002.
Citatione MLA (8a ed.)World Health Organization. Who Model Formulary. Primera edición. Editorial WHO, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.