Não informado. (1983). South african journal of marine science. Sea Fisheries Research Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. South African Journal of Marine Science. Cape Town, Africa do Sul: Sea Fisheries Research Institute, 1983.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. South African Journal of Marine Science. Sea Fisheries Research Institute, 1983.
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