Citazione Stile APA (7a Edizione)

Hobbs, B. C. (1987). Food poisoning and food hygiene (5th ed.). E. Arnold.

Citazione stile Chigago Style (17a edizione)

Hobbs, Betty Constance. Food Poisoning and Food Hygiene. 5th ed. London: E. Arnold, 1987.

Citatione MLA (9a ed.)

Hobbs, Betty Constance. Food Poisoning and Food Hygiene. 5th ed. E. Arnold, 1987.