1. DSTU (State Standard of Ukraine) ISO 7875-1. Yakist vody. Vyznachennia poverkhnevo-aktyvnykh rechovyn. Ch. 1. Metod vyznachennia vmistu anionnykh poverkhnevo-aktyvnykh rechovyn vymiriuvanniam indeksu metylenovogo blakytnogo (Quality of Water. Determination of Surface-Active Substances. Part 1. The Method of Determining the Content of Anionic Surface-Active Substances by Measuring the Methylene Blue Index), On Approval.
2. SEV. Unifitsirovannye metody issledovaniya kachestva vod. Metody khimicheskogo analiza vod (CMEA. Unified Methods for Investigating the Quality of Waters. Water Chemical Analysis Methods), Third Ed., Part 1, Moscow: SEV, 1977.
3. Standard Method for the Examination of Water and Waste Water. American Public Health Association, American Water Works Association and Water Pollution Control Federation, Washington, DC: 1989.
4. Commellas, J.L., Portillo, M.T., and Vaquero, J., Chromatogr. A., 1993, vol. 657, pp. 25–31.
5. Trehy, M.L., Gledhill, W.E., and Orth, R.G., Anal. Chem., 1990, vol. 62, pp. 2581–2586.