Govindanunni P.M. (2003). Nishchalam. Current Books.
Chicago Style aipamenaGovindanunni P.M. Nishchalam. Thrissur: Current Books, 2003.
MLA aipamenaGovindanunni P.M. Nishchalam. Current Books, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.