Não informado. (1979). South African journal of zoology. Foundation for Education, Science and Technology.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. South African Journal of Zoology. Pretoria, Africa do Sul: Foundation for Education, Science and Technology, 1979.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. South African Journal of Zoology. Foundation for Education, Science and Technology, 1979.
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