एपीए उद्धरण

Narayanan, P. (2006). Patent law (4th ed.). Eastern Law House.

शिकागो स्टाइल उद्धरण

Narayanan, P. Patent Law. 4th ed. Kolkota: Eastern Law House, 2006.

एमएलए उद्धरण

Narayanan, P. Patent Law. 4th ed. Eastern Law House, 2006.