South Africa. Dept. of Health. (1940). Regulations for the prevention of malaria and other mosquito-borne diseases and for the destruction of mosquitoes. Govt. Printer.
Chicago-referens (17:e uppl.)South Africa. Dept. of Health. Regulations for the Prevention of Malaria and Other Mosquito-borne Diseases and for the Destruction of Mosquitoes. Pretoria: Govt. Printer, 1940.
MLA-referens (8:e uppl.)South Africa. Dept. of Health. Regulations for the Prevention of Malaria and Other Mosquito-borne Diseases and for the Destruction of Mosquitoes. Govt. Printer, 1940.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.