Gopinathan Nair, N. C. (2005). Unniacheecharitham.
Chicago Style aipamenaGopinathan Nair, N; Commentator. Unniacheecharitham. Thenjippalam, University of Calicut, 2005.
MLA aipamenaGopinathan Nair, N; Commentator. Unniacheecharitham. 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.