APA
Narayanan p., . (2013). Patent Law 4th ed. Kolkata: Eastern Law House.
Chicago
Narayanan p, . 2013. Patent Law 4th ed. Kolkata: Eastern Law House.
Harvard
Narayanan p., . (2013). Patent Law 4th ed. Kolkata: Eastern Law House.
MLA
Narayanan p, . Patent Law 4th ed. Kolkata: Eastern Law House. 2013.