Não informado. (2001). Annual report of the forest insect survey. Department of Agriculture, Division of Entomology.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Annual Report of the Forest Insect Survey. Ottawa: Department of Agriculture, Division of Entomology, 2001.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Annual Report of the Forest Insect Survey. Department of Agriculture, Division of Entomology, 2001.
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