Rangarajan, Malathi (1 October 2011). "Making a point or two". The Hindu. Chennai, India. Archived from the original on 11 December 2011. Retrieved 14 December 2011.
Rangarajan, Malathi (1 October 2011). "Making a point or two". The Hindu. Chennai, India. Archived from the original on 11 December 2011. Retrieved 14 December 2011.