Dyfyniad APA

Jones, C. F., & Darkenwald, G. G. (1965). Economic geography (3rd ed.). Macmillan.

Dyfyniad Arddull Chicago

Jones, Clarence Fielden, and Gordon Gerald Darkenwald. Economic Geography. 3rd ed. New York: Macmillan, 1965.

Dyfyniad MLA

Jones, Clarence Fielden, and Gordon Gerald Darkenwald. Economic Geography. 3rd ed. Macmillan, 1965.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.