Ninan, T. (2015). The turn of the tortoise: The Challenge and Promise of India's Future. Penguin Books.

Ninan, T.N. The Turn of the Tortoise: The Challenge and Promise of India's Future. Gurgaon: Penguin Books, 2015.

Ninan, T.N. The Turn of the Tortoise: The Challenge and Promise of India's Future. Penguin Books, 2015.