एपीए उद्धरण

Narayanan, P. (1975). Patent law. Eastern law house.

शिकागो स्टाइल उद्धरण

Narayanan, P. Patent Law. Calcutta: Eastern law house, 1975.

एमएलए उद्धरण

Narayanan, P. Patent Law. Eastern law house, 1975.