APA
Hobbs B. C., . (1968). Food Poisoning and food hygiene. London: Edward Arnold.
Chicago
Hobbs Betty C, . 1968. Food Poisoning and food hygiene. London: Edward Arnold.
Harvard
Hobbs B. C., . (1968). Food Poisoning and food hygiene. London: Edward Arnold.
MLA
Hobbs Betty C, . Food Poisoning and food hygiene. London: Edward Arnold. 1968.