(2010). Annual vital statistics report 2008. Department of Economics&Statistics.
Chicago Style aipamenaAnnual Vital Statistics Report 2008. Thiruvanathapuram: Department of Economics&Statistics, 2010.
MLA aipamenaAnnual Vital Statistics Report 2008. Department of Economics&Statistics, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.