(1979). Kerala district gazetteers: Trivandrum (supplement). Govt of Kerala.
Chicago Style aipamenaKerala District Gazetteers: Trivandrum (supplement). India: Govt of Kerala, 1979.
MLA aipamenaKerala District Gazetteers: Trivandrum (supplement). Govt of Kerala, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.