Kerala. Bureau of Economics and Statistics. (1974). District statistical hand book. Govt. Press.
Chicago Style aipamenaKerala. Bureau of Economics and Statistics. District Statistical Hand Book. Trivandrum: Govt. Press, 1974.
MLA aipamenaKerala. Bureau of Economics and Statistics. District Statistical Hand Book. Govt. Press, 1974.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.