Cita APA (7th ed.)

Narayanan, P. (2017). Patent law (4TH ED.). Eastern law house.

Cita Chicago (17th ed.)

Narayanan, P. Patent Law. 4TH ED. New Delhi: Eastern law house, 2017.

Cita MLA (9th ed.)

Narayanan, P. Patent Law. 4TH ED. Eastern law house, 2017.