APA引文

Pilla, G. R. (1972). Vanijyaparamaya Kattitapatukal. State Institute of language.

Chicago Edition Citation

Pilla, G R. Vanijyaparamaya Kattitapatukal. Trivandrum: State Institute of language, 1972.

MLA引文

Pilla, G R. Vanijyaparamaya Kattitapatukal. State Institute of language, 1972.

警告：这些引文格式不一定是100％准确.