एपीए उद्धरण

Ravindran,T K. Institutions and movements in Kerala history. Charitham Publications.

शिकागो स्टाइल उद्धरण

Ravindran,T K. Institutions and Movements in Kerala History. Trivandrum: Charitham Publications.

एमएलए उद्धरण

Ravindran,T K. Institutions and Movements in Kerala History. Charitham Publications.