Não informado. (1953). Palaeontologia Africana. University of the Witwatersrand, Bernard Price Institute for Palaeontological Research.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Palaeontologia Africana. Johannesburg, Africa do Sul: University of the Witwatersrand, Bernard Price Institute for Palaeontological Research, 1953.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Palaeontologia Africana. University of the Witwatersrand, Bernard Price Institute for Palaeontological Research, 1953.
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