Spurga, R. C. (2006). Commodity fundamentals: How to trade the precious metals, energy, grain, and tropical commodity markets. Hoboken, N.J: John Wiley & Sons.
Citação norma ChicagoSpurga, Ronald C. Commodity Fundamentals: How to Trade the Precious Metals, Energy, Grain, and Tropical Commodity Markets. Hoboken, N.J: John Wiley & Sons, 2006.
Citação norma MLASpurga, Ronald C. Commodity Fundamentals: How to Trade the Precious Metals, Energy, Grain, and Tropical Commodity Markets. Hoboken, N.J: John Wiley & Sons, 2006.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.