Turnbull, P. C., Doganay, M., Lindeque, P. M., Aygen, B., & McLaughlin, J. (1992). Serology and anthrax in humans, livestock and Etosha National Park wildlife. Cambridge University Press.

Turnbull, P. C., M. Doganay, P. M. Lindeque, B. Aygen, and J. McLaughlin. Serology and Anthrax in Humans, Livestock and Etosha National Park Wildlife. Cambridge University Press, 1992.

Turnbull, P. C., et al. Serology and Anthrax in Humans, Livestock and Etosha National Park Wildlife. Cambridge University Press, 1992.