Stulberg, B., & Magness, S. (2017). Peak performance: Elevate your game, avoid burnout, and thrive with the new science of success. Rodale Books.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Stulberg, Brad, و Steve Magness. Peak Performance: Elevate Your Game, Avoid Burnout, and Thrive with the New Science of Success. Emmaus, Pennsylvania: Rodale Books, 2017.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Stulberg, Brad, و Steve Magness. Peak Performance: Elevate Your Game, Avoid Burnout, and Thrive with the New Science of Success. Rodale Books, 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.