Deci, E. L., & Ryan, R. M. Intrinsic Motivation and Self-Determination in Human Behavior. New York, NY: Plenum. 1985.
Augustine, James R., Human Neuroanatomy 2nd Edition, Wiley-Blackwell; 2nd edition (February 13, 2017)
Maltz, Maxwell., Psycho-Cybernetics: Updated and Expanded, TarcherPerigee; Updated, Expanded ed. edition (November 3, 2015)
Sol Luckman, Conscious Healing: Book One on the Regenetics Method, 2nd Edition, Crow Rising Transformational Media, 2018
Collins, Jim. Good to Great: Why Some Companies Make the Leap and Others Don't, Harper Business; 1st edition (July 19, 2011)
Deci, E. L., & Ryan, R. M. The “What” and “Why” of Goal Pursuits: Human Needs and the Self-Determination of Behavior. Psychological Inquiry, 11, 227-268. 2000.
Duckworth, Angela, Grit: The Power of Passion and Perseverance, Scribner Book Company; 1st edition (May 1, 2016)
John Izzo Ph.D., The Five Secrets You Must Discover Before You Die, Berrett-Koehler Publishers; American First edition (November 22, 2007)
Green, M., John H. Schwarz, and Edward Witten. "Superstring Theory. Vol. 1, Introduction". Cambridge Monographs on Mathematical Physics. Cambridge, UK: Cambridge University Press, 1988
Green, M., John H. Schwarz, and Edward Witten. "Superstring Theory. Vol. 2, Loop Amplitudes, Anomalies and Phenomenology". Cambridge, UK: Cambridge University Press, 1988
Verduyn, P. and Lavrijsen, S. Which Emotions Last Longest and Why: the Role of Event Importance and Rumination. Springer Science+Business Media New York, 31 October 2014.