एपीए उद्धरण

Rathi Ramachandran & Girija Narayanan Ammini Ramachandran. (2005). History of medieval Kerala. Pragati Publications.

शिकागो स्टाइल उद्धरण

Rathi Ramachandran और Girija Narayanan Ammini Ramachandran. History of Medieval Kerala. New Delhi: Pragati Publications, 2005.

एमएलए उद्धरण

Rathi Ramachandran और Girija Narayanan Ammini Ramachandran. History of Medieval Kerala. Pragati Publications, 2005.