توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Minnesota. Division of Forestry & University of Minnesota. School of Forestry. Minnesota forestry notes. School of Forestry, University of Minnesota.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Minnesota. Division of Forestry و University of Minnesota. School of Forestry. Minnesota Forestry Notes. St. Paul,: School of Forestry, University of Minnesota.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Minnesota. Division of Forestry و University of Minnesota. School of Forestry. Minnesota Forestry Notes. School of Forestry, University of Minnesota.