Vasu,K K, Hemachadran,M M, & Unnikrishnan,R. (1981). Vaidyutha upayoganam: Electrical utilisation. State institute of languages.
Chicago Edition CitationVasu,K K, Hemachadran,M M, i Unnikrishnan,R. Vaidyutha Upayoganam: Electrical Utilisation. Thiruvananthapuram: State institute of languages, 1981.
Cita MLAVasu,K K, et al. Vaidyutha Upayoganam: Electrical Utilisation. State institute of languages, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.