J. RogerJ.R.HartJ. RogerJ.R., Ethylenediaminetetraacetic Acid and Related Chelating Agents, [w:] Ullmann’s Encyclopedia of Industrial Chemistry, Weinheim: Wiley‐VCH, 2005, DOI:10.1002/14356007.a10_095(ang.).
Norman N.N.N.GreenwoodNorman N.N.N., AlanA.EarnshawAlanA., Chemistry of the Elements, wyd. 2, Oxford–Boston: Butterworth-Heinemann, 1997, s. 950, DOI:10.1016/C2009-0-30414-6, ISBN0-7506-3365-4(ang.).