Não informado. (1939). Journal of the Entomological Society of Southern Africa. Entomological Society of Southern Africa.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the Entomological Society of Southern Africa. Pretoria, Africa do Sul: Entomological Society of Southern Africa, 1939.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of the Entomological Society of Southern Africa. Entomological Society of Southern Africa, 1939.
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