Cita APA

 Gotthelf, P. (2005).  Precious metals trading: How to forecast and profit from major market moves.  John Wiley & Sons.

Chicago Style Citation

 Gotthelf, Philip.  Precious Metals Trading: How to Forecast and Profit From Major Market Moves.  John Wiley & Sons, 2005.

Cita MLA

 Gotthelf, Philip.  Precious Metals Trading: How to Forecast and Profit From Major Market Moves.  John Wiley & Sons, 2005.

Atenció: Aquestes cites poden no estar 100% correctes.