Balakrishnan. (1971). Paristhithivijnanam. State Instutute of Languages.
Chicago Edition CitationBalakrishnan. Paristhithivijnanam. Trivandrum: State Instutute of Languages, 1971.
Cita MLABalakrishnan. Paristhithivijnanam. State Instutute of Languages, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.