एपीए उद्धरण

Wadehra, B. L. (2000). Law relating to patents, trade marks, copyright designs and geographical indications (ed. 2.). Universal law publishing.

शिकागो स्टाइल उद्धरण

Wadehra, B L. Law Relating to Patents, Trade Marks, Copyright Designs and Geographical Indications. ed. 2. New Delhi: Universal law publishing, 2000.

एमएलए उद्धरण

Wadehra, B L. Law Relating to Patents, Trade Marks, Copyright Designs and Geographical Indications. ed. 2. Universal law publishing, 2000.