APA (7 वां संस्करण) प्रशस्ति पत्र

Narayanan,P. (2017). Law of Trade Marks and Passing off (6th.). Eastern Law House.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Narayanan,P. Law of Trade Marks and Passing off. 6th. Kolkata: Eastern Law House, 2017.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Narayanan,P. Law of Trade Marks and Passing off. 6th. Eastern Law House, 2017.