South Africa. Dept. of Health. (1940). House-flies: Their life-history, destruction and prevention, and their influence on health. Dept. of Public Health.
Cita Chicago Style (17a ed.)South Africa. Dept. of Health. House-flies: Their Life-history, Destruction and Prevention, and Their Influence on Health. Pretoria: Dept. of Public Health, 1940.
Cita MLA (8a ed.)South Africa. Dept. of Health. House-flies: Their Life-history, Destruction and Prevention, and Their Influence on Health. Dept. of Public Health, 1940.
Precaución: Estas citas no son 100% exactas.