(1968). Methods of testing water used in industry: Part 7. Nitrite, nitrate and ammonia. London: BSI.
Chicago Style CitationMethods of Testing Water Used in Industry: Part 7. Nitrite, Nitrate and Ammonia. London: BSI, 1968.
MLA CitationMethods of Testing Water Used in Industry: Part 7. Nitrite, Nitrate and Ammonia. London: BSI, 1968.
Warning: These citations may not always be 100% accurate.