World Health Organization. Foodborne disease outbreaks: Guidlines for investigation and control.
Citazione stile Chigago Style (17a edizione)World Health Organization. Foodborne Disease Outbreaks: Guidlines for Investigation and Control.
Citatione MLA (8a ed.)World Health Organization. Foodborne Disease Outbreaks: Guidlines for Investigation and Control.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.