Apte, Vaman Shivram (1965), The Practical Sanskrit Dictionary (Fourth revised and enlarged ed.), Delhi: Motilal Banarsidass Publishers, ISBN 81-208-0567-4
Bucknell, Roderick; Stuart-Fox, Martin (1986), The Twilight Language: Explorations in Buddhist Meditation and Symbolism, London: Curzon Press, ISBN 0-312-82540-4