Kerala Niyamasabha Secretariat. (1975). Nalaam Kerala niyamasabha: Ancham varshikam. Government of Kerala.
Chicago Style aipamenaKerala Niyamasabha Secretariat. Nalaam Kerala Niyamasabha: Ancham Varshikam. Government of Kerala, 1975.
MLA aipamenaKerala Niyamasabha Secretariat. Nalaam Kerala Niyamasabha: Ancham Varshikam. Government of Kerala, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.