Não informado. (1911). Report of the Director of Veterinary Services and Animal Industry, Onderstepoort. Department of Agriculture.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Report of the Director of Veterinary Services and Animal Industry, Onderstepoort. Pretoria, Africa do Sul: Department of Agriculture, 1911.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Report of the Director of Veterinary Services and Animal Industry, Onderstepoort. Department of Agriculture, 1911.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.