OMS. (1992). WHO technical report series; N.825: The use of essential drugs,Model list of essential drugs: seventh list. Geneva: OMS.
Stile di citazione ChicagoOMS. WHO Technical Report Series; N.825: The Use of Essential Drugs,Model List of Essential Drugs: Seventh List. Geneva: OMS, 1992.
Citazione MLAOMS. WHO Technical Report Series; N.825: The Use of Essential Drugs,Model List of Essential Drugs: Seventh List. Geneva: OMS, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.