توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Fernow, B. E. (1902). Economics of forestry: A reference book for students of political economy and professional and lay students of forestry (2nd ed.). Crowell.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Fernow, Bernhard E. Economics of Forestry: A Reference Book for Students of Political Economy and Professional and Lay Students of Forestry. 2nd ed. New York: Crowell, 1902.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Fernow, Bernhard E. Economics of Forestry: A Reference Book for Students of Political Economy and Professional and Lay Students of Forestry. 2nd ed. Crowell, 1902.