Não informado. (2000). Technical publication of the New York State College of Forestry. New York State College of Forestry.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Technical Publication of the New York State College of Forestry. Syracuse, NY: New York State College of Forestry, 2000.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Technical Publication of the New York State College of Forestry. New York State College of Forestry, 2000.
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