• Williams, Scott. Self Awareness and Personal Development. Recuperado de http://www.wright.edu/...
  • Maxwell, John C. (2012). The Law of Awareness. In The 15 Invaluable Laws of Growth: Live Them and Reach Your Potential. New York, NY: Center Street.

The Six Human Needs: Why We Do What We Do. Recuperado de http://training.tonyrobbins.com/...