Thrusfield, M. V. (2007). Veterinary epidemiology. London: Butterworths.
Chicago Style aipamenaThrusfield, M. V. Veterinary Epidemiology. London: Butterworths, 2007.
MLA aipamenaThrusfield, M. V. Veterinary Epidemiology. London: Butterworths, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.