South Africa. Dept. of Health. (1940). Plague prevention and rodent destruction (Rev. ed.). Dept. of Public Health.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSouth Africa. Dept. of Health. Plague Prevention and Rodent Destruction. Rev. ed. Pretoria: Dept. of Public Health, 1940.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSouth Africa. Dept. of Health. Plague Prevention and Rodent Destruction. Rev. ed. Dept. of Public Health, 1940.
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