Vellayani Arjunan. (1993). Sarvavijnanakosham (v.4). State institute of encyclopaedic publications.
Chicago Style aipamenaVellayani Arjunan. Sarvavijnanakosham (v.4). Thiruvananthapuram: State institute of encyclopaedic publications, 1993.
MLA aipamenaVellayani Arjunan. Sarvavijnanakosham (v.4). State institute of encyclopaedic publications, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.