Não informado. (2004). Investigational Report. Republic of South Africa, Department of Industries, Sea Fisheries Branch.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Investigational Report. Cape Town, Africa do Sul: Republic of South Africa, Department of Industries, Sea Fisheries Branch, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Investigational Report. Republic of South Africa, Department of Industries, Sea Fisheries Branch, 2004.
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