Spurga, R. C. (2006). Commodity fundamentals: How to trade the precious metals, energy, grain, and tropical commodity markets. Wiley.
Cita Chicago Style (17a ed.)Spurga, Ronald C. Commodity Fundamentals: How to Trade the Precious Metals, Energy, Grain, and Tropical Commodity Markets. Hoboken, N.J.: Wiley, 2006.
Cita MLA (8a ed.)Spurga, Ronald C. Commodity Fundamentals: How to Trade the Precious Metals, Energy, Grain, and Tropical Commodity Markets. Wiley, 2006.
Precaución: Estas citas no son 100% exactas.