Pilla, G. R. (1972). Vanijyaparamaya Kattitapatukal. State Institute of language.
シカゴスタイル引用形Pilla, G R. Vanijyaparamaya Kattitapatukal. Trivandrum: State Institute of language, 1972.
MLA引用形式Pilla, G R. Vanijyaparamaya Kattitapatukal. State Institute of language, 1972.
警告: この引用は必ずしも正確ではありません.