Wadehra, B. (2000). Law relating to patents, trade marks, copyright designs and geographical indications (2nd ed.). Universal Book Traders.
Dyfyniad Arddull ChicagoWadehra, B.L. Law Relating to Patents, Trade Marks, Copyright Designs and Geographical Indications. 2nd ed. Delhi: Universal Book Traders, 2000.
Dyfyniad MLAWadehra, B.L. Law Relating to Patents, Trade Marks, Copyright Designs and Geographical Indications. 2nd ed. Universal Book Traders, 2000.
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