APA (7th ed.) Citation

De Silva, M. A. (2011). Evolution of technological innovation in ancient Sri Lanka. Vijitha Yapa Publications.

Chicago Style (17th ed.) Citation

De Silva, M. Asoka. Evolution of Technological Innovation in Ancient Sri Lanka. Colombo: Vijitha Yapa Publications, 2011.

MLA (9th ed.) Citation

De Silva, M. Asoka. Evolution of Technological Innovation in Ancient Sri Lanka. Vijitha Yapa Publications, 2011.