Hobbs, B. C. (1987). Food poisoning and food hygiene (5th ed.). E. Arnold.
Lua i Stíl Chicago (17ú heag.)Hobbs, Betty Constance. Food Poisoning and Food Hygiene. 5th ed. London: E. Arnold, 1987.
Lua MLA (9ú heag.)Hobbs, Betty Constance. Food Poisoning and Food Hygiene. 5th ed. E. Arnold, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.