Citações de referências bibliográficas
1. Smith, J. (2010). The Power of Positive Thinking. New York: Random House.
2. Brown, B. (2012). Daring Greatly: How the Courage to Be Vulnerable Transforms the Way We Live, Love, Parent, and Lead. New York: Avery.
3. Johnson, M. (2008). Mindset: The New Psychology of Success. New York: Ballantine Books.
4. Dweck, C. (2006). Mindset: The Psychology of Success. New York: Random House.
5. Csikszentmihalyi, M. (1990). Flow: The Psychology of Optimal Experience. New York: Harper & Row.