एपीए उद्धरण

Unnikrishnan,P.V. (2014). Samoohyasasthrathinte thathwachintha. Progress Publications.

शिकागो स्टाइल उद्धरण

Unnikrishnan,P.V. Samoohyasasthrathinte Thathwachintha. Kozhikode: Progress Publications, 2014.

एमएलए उद्धरण

Unnikrishnan,P.V. Samoohyasasthrathinte Thathwachintha. Progress Publications, 2014.