एपीए उद्धरण

Ravikumar, K. S. (2012). Kathayum bhavukathwaparinamavum. Sahitya Pravarthaka Co-operative Society.

शिकागो स्टाइल उद्धरण

Ravikumar, K. S. Kathayum Bhavukathwaparinamavum. Kottayam: Sahitya Pravarthaka Co-operative Society, 2012.

एमएलए उद्धरण

Ravikumar, K. S. Kathayum Bhavukathwaparinamavum. Sahitya Pravarthaka Co-operative Society, 2012.