Não informado. (1942). African Studies. University of the Witwatersrand, Department of Bantu Studies.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. African Studies. Johannesburg, Africa do Sul: University of the Witwatersrand, Department of Bantu Studies, 1942.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. African Studies. University of the Witwatersrand, Department of Bantu Studies, 1942.
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