APA (7. basım) Alıntı

Duerr, W. A. (1960). Fundamentals of forestry economics. McGraw-Hill Book Company.

Chicago Style (17. basım) Atıf

Duerr, William Allen. Fundamentals of Forestry Economics. New York: McGraw-Hill Book Company, 1960.

MLA (9th ed.) Atıf

Duerr, William Allen. Fundamentals of Forestry Economics. McGraw-Hill Book Company, 1960.