APA
Wadehra B L,, . (1999). Law relating to patents trade marks copyright and designs. Delhi: Universal Law Publishing Co.Pvt.Ltd.
Chicago
Wadehra B L,, . 1999. Law relating to patents trade marks copyright and designs. Delhi: Universal Law Publishing Co.Pvt.Ltd.
Harvard
Wadehra B L,, . (1999). Law relating to patents trade marks copyright and designs. Delhi: Universal Law Publishing Co.Pvt.Ltd.
MLA
Wadehra B L,, . Law relating to patents trade marks copyright and designs. Delhi: Universal Law Publishing Co.Pvt.Ltd. 1999.