Brennan,Richard. Change your posture, change your life: How the power of the Alexander technique can combat back pain, tension and stress. Watkins.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Brennan,Richard. Change Your Posture, Change Your Life: How the Power of the Alexander Technique Can Combat Back Pain, Tension and Stress. Watkins.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Brennan,Richard. Change Your Posture, Change Your Life: How the Power of the Alexander Technique Can Combat Back Pain, Tension and Stress. Watkins.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.