Ravi, I. (1994). Prayaogika vyakaranam. State Institute of Languages.
Chicago Edition CitationRavi, Irinchayam. Prayaogika Vyakaranam. Thiruvanatapuram: State Institute of Languages, 1994.
MLA Edition CitationRavi, Irinchayam. Prayaogika Vyakaranam. State Institute of Languages, 1994.
Warning: These citations may not always be 100% accurate.