APA aipamena

Thrusfield, M. V. (2007). Veterinary epidemiology. London: Butterworths.

Chicago Style aipamena

Thrusfield, M. V. Veterinary Epidemiology. London: Butterworths, 2007.

MLA aipamena

Thrusfield, M. V. Veterinary Epidemiology. London: Butterworths, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.