Rajaraja Varma A R & C J Roy. (1999). Kerala panineeyam. International School of Dravidian Linguistics.
Chicago Style aipamenaRajaraja Varma A R and C J Roy. Kerala Panineeyam. Thiruvananthapurm: International School of Dravidian Linguistics, 1999.
MLA aipamenaRajaraja Varma A R and C J Roy. Kerala Panineeyam. International School of Dravidian Linguistics, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.