International Organization for Standardization. (2005). Microbiology of food and animal feeding stuffs. ISO 7251: Horizontal method for the detection and enumeration of presumptive Escherichia coli (Third edition.). International Standard.
Chicago Style (17th ed.) CitationInternational Organization for Standardization. Microbiology of Food and Animal Feeding Stuffs. ISO 7251: Horizontal Method for the Detection and Enumeration of Presumptive Escherichia Coli. Third edition. Suiza: International Standard, 2005.
MLA (9th ed.) CitationInternational Organization for Standardization. Microbiology of Food and Animal Feeding Stuffs. ISO 7251: Horizontal Method for the Detection and Enumeration of Presumptive Escherichia Coli. Third edition. International Standard, 2005.