Smirnov, V. I. (1974). Upariganitha padhathi. State Institute of Languages.
Chicago Edition CitationSmirnov, V. I. Upariganitha Padhathi. Trivandrum: State Institute of Languages, 1974.
Cita MLASmirnov, V. I. Upariganitha Padhathi. State Institute of Languages, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.