Hobbs, B. C., & Roberts, D. (1998). Food poisoning and food hygiene (6th ed.). Arnold.
Chicago Stili AlıntıHobbs, Betty C., ve Diane Roberts. Food Poisoning and Food Hygiene. 6th ed. London: Arnold, 1998.
MLA AlıntıHobbs, Betty C., ve Diane Roberts. Food Poisoning and Food Hygiene. 6th ed. Arnold, 1998.
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