Wadhera, B. L. (2004). Law relating to patents trademarks copyright designs and geographical indications: Including semi conductor integrated circuits and layout-design;protection of plant varieties and TRIPS (ed. 3.). Universal law publishing.

Wadhera, B L. Law Relating to Patents Trademarks Copyright Designs and Geographical Indications: Including Semi Conductor Integrated Circuits and Layout-design;protection of Plant Varieties and TRIPS. ed. 3. New Delhi: Universal law publishing, 2004.

Wadhera, B L. Law Relating to Patents Trademarks Copyright Designs and Geographical Indications: Including Semi Conductor Integrated Circuits and Layout-design;protection of Plant Varieties and TRIPS. ed. 3. Universal law publishing, 2004.