APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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