Dyfyniad APA

Hobbs, B. C. (1968). Food poisoning and food hygiene (2nd ed.). Edward Arnold.

Dyfyniad Arddull Chicago

Hobbs, Betty C. Food Poisoning and Food Hygiene. 2nd ed. London: Edward Arnold, 1968.

Dyfyniad MLA

Hobbs, Betty C. Food Poisoning and Food Hygiene. 2nd ed. Edward Arnold, 1968.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.