(2005). Mental training for peak performance: Top athletes reveal the mind exercises they use to excel / Steven Ungerleider ; foreword by Nick Bollettieri.
Cita Chicago (17th ed.)Mental Training for Peak Performance: Top Athletes Reveal the Mind Exercises They Use to Excel / Steven Ungerleider ; Foreword by Nick Bollettieri. 2005.
Cita MLA (9th ed.)Mental Training for Peak Performance: Top Athletes Reveal the Mind Exercises They Use to Excel / Steven Ungerleider ; Foreword by Nick Bollettieri. 2005.
Atenció: Aquestes cites poden no estar 100% correctes.