World Health Organization. (2011). Ensuring balance in national policies on control substances: Guidelines for availability and accessibility of controlled medicines. World Health Organization.
Citazione stile Chigago Style (17a edizione)World Health Organization. Ensuring Balance in National Policies on Control Substances: Guidelines for Availability and Accessibility of Controlled Medicines. Geneva, Switzerland: World Health Organization, 2011.
Citatione MLA (8a ed.)World Health Organization. Ensuring Balance in National Policies on Control Substances: Guidelines for Availability and Accessibility of Controlled Medicines. World Health Organization, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.