Raghavan, P. (1985). Kerala pathra pravarthana charithram (m). Kerala Sahithya Akademi.
シカゴスタイル引用形Raghavan, Puthuppally. Kerala Pathra Pravarthana Charithram (m). Thrissur: Kerala Sahithya Akademi, 1985.
MLA引用形式Raghavan, Puthuppally. Kerala Pathra Pravarthana Charithram (m). Kerala Sahithya Akademi, 1985.
警告: この引用は必ずしも正確ではありません.