Não informado. Annual report of the forest insect and disease survey. Department of Forestry and Rural Development, Forest Entomology and Pathology Branch.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Annual Report of the Forest Insect and Disease Survey. Ottawa: Department of Forestry and Rural Development, Forest Entomology and Pathology Branch.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Annual Report of the Forest Insect and Disease Survey. Department of Forestry and Rural Development, Forest Entomology and Pathology Branch.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.