Vellayani Arjunan. (1993). Sarvavijnanakosham (v.4). State institute of encyclopaedic publications.
Chicago Edition CitationVellayani Arjunan. Sarvavijnanakosham (v.4). Thiruvananthapuram: State institute of encyclopaedic publications, 1993.
Cita MLAVellayani Arjunan. Sarvavijnanakosham (v.4). State institute of encyclopaedic publications, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.