United States. Environmental Protection Agency. Office of Water. (2002). Method 1603: Escherichia coli (E. coli) in water by membrane filtration using modified membrane-thermotolerant Escherichia coli agar (modified mTEC). United States, Environmental Protection Agency, Office of Water.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Water. Method 1603: Escherichia Coli (E. Coli) in Water by Membrane Filtration Using Modified Membrane-thermotolerant Escherichia Coli Agar (modified MTEC). [Washington, D.C.]: United States, Environmental Protection Agency, Office of Water, 2002.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Water. Method 1603: Escherichia Coli (E. Coli) in Water by Membrane Filtration Using Modified Membrane-thermotolerant Escherichia Coli Agar (modified MTEC). United States, Environmental Protection Agency, Office of Water, 2002.