Não informado. (1971). African Journal of Tropical Hydrobiology and Fisheries. African Fisheries Research Organizations.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. African Journal of Tropical Hydrobiology and Fisheries. Nairobi: African Fisheries Research Organizations, 1971.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. African Journal of Tropical Hydrobiology and Fisheries. African Fisheries Research Organizations, 1971.
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