Não informado. (1966). Annals of the Cape Provincial Museums. Cape Provincial Museums.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Annals of the Cape Provincial Museums. Grahamstown, Africa do Sul: Cape Provincial Museums, 1966.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Annals of the Cape Provincial Museums. Cape Provincial Museums, 1966.
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