Narayanan.P. (1998). Patent Law (3.). Eastern Law House.
Lua i Stíl Chicago (17ú heag.)Narayanan.P. Patent Law. 3. New Delhi: Eastern Law House, 1998.
Lua MLA (9ú heag.)Narayanan.P. Patent Law. 3. Eastern Law House, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.