Ely, R. T., & Wicker, G. R. (1917). Elementary principles of economics: Together with a short sketch of economic history (Rev.). Macmillan.
Dyfyniad Arddull ChicagoEly, Richard Theodore, and George Ray Wicker. Elementary Principles of Economics: Together with a Short Sketch of Economic History. Rev. New York ; London: Macmillan, 1917.
Dyfyniad MLAEly, Richard Theodore, and George Ray Wicker. Elementary Principles of Economics: Together with a Short Sketch of Economic History. Rev. Macmillan, 1917.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.