Ungerleider, S., & Bollettieri,Nick. (2005). Mental training for peak performance: Top athletes reveal the mind exercises they use to excel. Emmaus, Penn.: Rodale.
استشهاد بنمط شيكاغوUngerleider, Steven., and Bollettieri,Nick. Mental Training for Peak Performance: Top Athletes Reveal the Mind Exercises They Use to Excel. Emmaus, Penn.: Rodale, 2005.
MLA استشهادUngerleider, Steven., and Bollettieri,Nick. Mental Training for Peak Performance: Top Athletes Reveal the Mind Exercises They Use to Excel. Emmaus, Penn.: Rodale, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.