1. Bodhananda, S. (2005). Psychology of the Gita. Retrieved January 27, 2012, from Sambodh Foundation
http://www.sambodh.org/September2004/messages/gita_psychology.htm
.
2. Davis, R. H. (2005). Altruism in classical Hinduism. In J. Neusner & B. Chilton (Eds.), Altruism in world religions (pp. 159–178). Washington, DC: Georgetown University Press.
3. Dawkins, R. (1976). The selfish sene. Oxford: Oxford University Press.
4. Iverach, J. (1994). Altruism. In Encyclopaedia of religion and ethics (J. Hastings, Trans., Vol. 1, pp. 354–358). Edinburgh: T&T Clark.
5. Menon, S. (2002). The selfish meme and the selfless Atma. Sophia, 41(1), 83–88.