Não informado. South African journal of medical sciences. University of the Witwatersrand, Medical Graduate Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. South African Journal of Medical Sciences. Johannesburg, Africa do Sul: University of the Witwatersrand, Medical Graduate Association.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. South African Journal of Medical Sciences. University of the Witwatersrand, Medical Graduate Association.
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