Sankaran Unni, K. (1974). Paristhiti vijnanathinte moola tatvangal. State Institute of Languages.
Chicago Edition CitationSankaran Unni, K. Paristhiti Vijnanathinte Moola Tatvangal. Trivandrum: State Institute of Languages, 1974.
Cita MLASankaran Unni, K. Paristhiti Vijnanathinte Moola Tatvangal. State Institute of Languages, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.