एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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