Παραπομπή APA

Hobbs, B. C., & Roberts, D. Food poisoning and food hygiene (6th ed.). Edward Arnold.

Παραπομπή Chicago Style

Hobbs, Betty C., και Diane Roberts. Food Poisoning and Food Hygiene. 6th ed. London: Edward Arnold.

Παραπομπή MLA

Hobbs, Betty C., και Diane Roberts. Food Poisoning and Food Hygiene. 6th ed. Edward Arnold.