Narayana Pillai, P. K. (1995). Vyakarana pravesika. State Institute of Languages.
Chicago Edition CitationNarayana Pillai, P. K. Vyakarana Pravesika. Thiruvanathapuram: State Institute of Languages, 1995.
MLA Edition CitationNarayana Pillai, P. K. Vyakarana Pravesika. State Institute of Languages, 1995.
Warning: These citations may not always be 100% accurate.