Spurga, R. C. (2006). Commodity fundamentals: How to trade the precious metals, energy, grain, and tropical commodity markets. Hoboken, N.J: John Wiley & Sons.
Chicago-stil citatSpurga, Ronald C. Commodity Fundamentals: How to Trade the Precious Metals, Energy, Grain, and Tropical Commodity Markets. Hoboken, N.J: John Wiley & Sons, 2006.
MLA-referensSpurga, Ronald C. Commodity Fundamentals: How to Trade the Precious Metals, Energy, Grain, and Tropical Commodity Markets. Hoboken, N.J: John Wiley & Sons, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.