Dykstra, R. R. (2001). «Hexamethylphosphoric Triamide». Encyclopedia of Reagents for Organic Synthesis. New York: John Wiley & Sons. doi:10.1002/047084289X.rh020
Dickman, Michael H.; Pope, Michael T. (1994). «Peroxo and Superoxo Complexes of Chromium, Molybdenum, and Tungsten». Chemical Reviews. 94: 569–84. doi:10.1021/cr00027a002
Beck, A. K.; Seebach, D. (2001). «N,N'-Dimethylpropyleneurea». Encyclopedia of Reagents for Organic Synthesis. New York: John Wiley & Sons. doi:10.1002/047084289X.rd366A referência emprega parâmetros obsoletos |coautores= (ajuda)