1. 1998. Farmakope Obat Hewan Indonesia Vol. 93, 97–98. Jakarta, Indonesia: Departemen Pertanian Republik Indonesia. (Indonesian Veterinary Pharmacopoeia) Jilid 2
2. 2003. The United States Pharmacopoeia 28–National Formulary 23 1116–1117. Rockville, MD: United States Pharmacopoeial Convention.
3. 2000. European Pharmacopoeia, 5th Edn. 1899–1901. 2092–2094. Strasbourg: Council of Europe.
4. 2003. British Pharmacopoeia 2004 Vol. II, 11152–1154. The Stationary Office. 1368–1369
5. 2003. British Pharmacopoeia (Veterinary) 63–64. The Stationary Office.