(Learned Optimism and Explanatory style) Seligman, Martin E. P. Learned Optimism: How to Change Your Mind and Your Life. New York: Vintage Books, 2006
Seligman, Martin E. P. 2013. Flourish. New York, NY: Simon & Schuster.
Seligman, Martin E. P. (2018). The hope circuit : a psychologist's journey from helplessness to optimism. North Sydney, NSW : Penguin Random House Australia