एपीए उद्धरण

Unnikrishnan,P.V. (2011). Narayanaguru chintha Garry Davis vare. Progress Publications.

शिकागो स्टाइल उद्धरण

Unnikrishnan,P.V. Narayanaguru Chintha Garry Davis Vare. Kozhikode: Progress Publications, 2011.

एमएलए उद्धरण

Unnikrishnan,P.V. Narayanaguru Chintha Garry Davis Vare. Progress Publications, 2011.