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