Jones, C. F., & Darkenwald, G. G. (1965). Economic geography (3rd ed.). Macmillan.
Chicago Style aipamenaJones, Clarence Fielden, and Gordon Gerald Darkenwald. Economic Geography. 3rd ed. New York: Macmillan, 1965.
MLA aipamenaJones, Clarence Fielden, and Gordon Gerald Darkenwald. Economic Geography. 3rd ed. Macmillan, 1965.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.