(en) Martha B. Katz-Hyman et Kym S. Rice, editors, World of a Slave : Encyclopedia of the Material Life of Slaves in the United States, Santa Barbara, Calif., Greenwood, , 581 p. (ISBN978-0-313-34942-3, lire en ligne), p. 303.
(en) « How Does The Dry Cleaning Process Work? », LX (consulté le ) : « Dry cleaning is the process of deep cleaning clothing without using water. Usually reserved for dress clothes and delicate fabric, it requires special equipment and detergents. Dry cleaning is typically a 5 step process. These steps are tagging the clothes, pretreating clothes, cleaning, quality checking, and ironing. ».