Morel, Olivier J. X.; Christie, Robert M. (2011). «Current Trends in the Chemistry of Permanent Hair Dyeing». Chemical Reviews. 111 (4): 2537–2561. PMID21265503. doi:10.1021/cr1000145
Morel, Olivier J. X.; Christie, Robert M. (2011). «Current Trends in the Chemistry of Permanent Hair Dyeing». Chemical Reviews. 111 (4): 2537–2561. PMID21265503. doi:10.1021/cr1000145