^The Random House Dictionary of the English Language Unabridged Edition, Jess Stein ed. in chief, Random House, New York 1966 p. 489
^Acharya, Deepak and Shrivastava Anshu (2008): Indigenous Herbal Medicines: Tribal Formulations and Traditional Herbal Practices, Aavishkar Publishers Distributor, Jaipur, India. ISBN 978-81-7910-252-7. pp 440.