Não informado. (2000). Technical publication of the New York State College of Forestry. New York State College of Forestry.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Technical Publication of the New York State College of Forestry. Syracuse, NY: New York State College of Forestry, 2000.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Technical Publication of the New York State College of Forestry. New York State College of Forestry, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.