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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)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.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.