Raghavan, . P. (1985). Kerala Patrapravarthana Charitram. Kerala Sahitya Academy.
シカゴスタイル引用形Raghavan, Putuppali. Kerala Patrapravarthana Charitram. Trichur: Kerala Sahitya Academy, 1985.
MLA引用形式Raghavan, Putuppali. Kerala Patrapravarthana Charitram. Kerala Sahitya Academy, 1985.
警告: この引用は必ずしも正確ではありません.