Thrusfield, M. (1986). Veterinary epidemiology. London: Butterworths.
Trích dẫn kiểu ChicagoThrusfield, Michael. Veterinary Epidemiology. London: Butterworths, 1986.
MLA引文Thrusfield, Michael. Veterinary Epidemiology. London: Butterworths, 1986.
警告:这些引文格式不一定是100%准确.