Narayanan .P. (2018). Patent Law (4th.). Eastern Law House Pvt Ltd.
Chicago Style aipamenaNarayanan .P. Patent Law. 4th. Lucknow: Eastern Law House Pvt Ltd, 2018.
MLA aipamenaNarayanan .P. Patent Law. 4th. Eastern Law House Pvt Ltd, 2018.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.