1. The new colour index international of pigments and solvent dyes
2. Horobin RW. Xanthenes. In: Horobin R W, Kiernan J A, ed, editors. Conn’s biological stains. 10th ed. Oxford: Bios Scientific Pub; 2002. p. 231–234239.
3. Lillie RD, Conn’s H.J. biological stains. 9th ed. Baltimore, MD: The Williams and Wilkins Co.; 1977. p. 130.
4. Horobin RW, Kiernan JA, editors. Conn’s biological stains. 10th ed. Oxford: Bios Scientific Publishers; 2002.
5. Lillie RD, Fullmer HM. Histopathologic technic and practical histochemistry. 4th ed. New York: McGraw Hill; 1976. p. 737.