एपीए उद्धरण

Raghavan, . P. (1985). Kerala Patrapravarthana Charitram. Kerala Sahitya Academy.

शिकागो स्टाइल उद्धरण

Raghavan, Putuppali. Kerala Patrapravarthana Charitram. Trichur: Kerala Sahitya Academy, 1985.

एमएलए उद्धरण

Raghavan, Putuppali. Kerala Patrapravarthana Charitram. Kerala Sahitya Academy, 1985.