1. Sastri, B.N., ed. 1950.The Wealth of India, Vol. II, 82Delhi, India: Council of Scientific and Industrial Research.
2. Nazimuddin, S. and Qaiser, M. 1983.Flora of West Pakistan., Edited by: Nasir, E. and Ali, S.I. Vol. 148, 10–11. Karachi, Pakistan: Shamim Printing Press.
3. Kirtikar, K.R. and Basu, B.D. 1918.Indian Medicianl Plants, Vol. 2, 775–777. Bahadurganj, India: Panini office Bhuwaneswari Asrama.
4. Perry, L.M. 1980.Medicinal Plants of East and South East Asia, 23Cambridge: The MIT Press.