Vijnanam-Malayalam Popular Encyclopeadea. Balan Prasideekaranangal.
Chicago Edition CitationVijnanam-Malayalam Popular Encyclopeadea. Balan Prasideekaranangal, Trivandrum: Balan Prasideekaranangal.
Cita MLAVijnanam-Malayalam Popular Encyclopeadea. Balan Prasideekaranangal.
Atenció: Aquestes cites poden no estar 100% correctes.