Krishnakumari. (1981). Ormmakalkku Oru Olakkuda. Granthakartha.
Chicago Style aipamenaKrishnakumari. Ormmakalkku Oru Olakkuda. Granthakartha, 1981.
MLA aipamenaKrishnakumari. Ormmakalkku Oru Olakkuda. Granthakartha, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.