Gotthelf, P. (2005). Precious metals trading: How to forecast and profit from major market moves. John Wiley & Sons.
استشهاد بنمط شيكاغوGotthelf, Philip. Precious Metals Trading: How to Forecast and Profit From Major Market Moves. John Wiley & Sons, 2005.
MLA استشهادGotthelf, Philip. Precious Metals Trading: How to Forecast and Profit From Major Market Moves. John Wiley & Sons, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.