Não informado. (1923). Canadian insect pest review. Department of Agriculture, Division of Entomology.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Canadian Insect Pest Review. Ottawa: Department of Agriculture, Division of Entomology, 1923.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Canadian Insect Pest Review. Department of Agriculture, Division of Entomology, 1923.
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