Papooty, K. (1997). Jyothisastrathile oru ithihasam (Malayalam) (4th ed.). Kerala Sastra Sahitya Parishad.
シカゴスタイル引用形Papooty, K. Jyothisastrathile Oru Ithihasam (Malayalam). 4th ed. Ernakulam: Kerala Sastra Sahitya Parishad, 1997.
MLA引用形式Papooty, K. Jyothisastrathile Oru Ithihasam (Malayalam). 4th ed. Kerala Sastra Sahitya Parishad, 1997.
警告: この引用は必ずしも正確ではありません.