एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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