Gotthelf, P. (2005). Precious metals trading: How to forecast and profit from major market moves. John Wiley & Sons.
シカゴスタイル引用形Gotthelf, Philip. Precious Metals Trading: How to Forecast and Profit From Major Market Moves. John Wiley & Sons, 2005.
MLA引用形式Gotthelf, Philip. Precious Metals Trading: How to Forecast and Profit From Major Market Moves. John Wiley & Sons, 2005.
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