Hobbs, B. C., & Roberts, D. Food poisoning and food hygiene (6th ed.). Edward Arnold.
Stile di citazione ChicagoHobbs, Betty C., e Diane Roberts. Food Poisoning and Food Hygiene. 6th ed. London: Edward Arnold.
Citazione MLAHobbs, Betty C., e Diane Roberts. Food Poisoning and Food Hygiene. 6th ed. Edward Arnold.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.