Rudolph E. Tanzi, Ph.D., Deepak Chopra (2012). “Super Brain: Unleashing the Explosive Power of Your Mind to Maximize Health, Happiness, and Spiritual Well-Being”, p.147, Harmony
Rudolph E. Tanzi, Ph.D., Deepak Chopra (2012). “Super Brain: Unleashing the Explosive Power of Your Mind to Maximize Health, Happiness, andSpiritual Well-Being”, p.54, Harmony