Barker, Joel A. (1992). "Future Edge; Discovering the New Paradigms of Success". New York, NY: William Morrow and Company Inc.

Bryce, Ian and Kennedy, Kathleen (Producers), De Bont, Jan (Director) (1996). "Twister" (Motion Picture), United States: Warner Brothers Studios.

Cashman, Kevin (1999). "Leadership From the Inside Out: Becoming a Leader for Life". Provo, UT: Executive Excellence Publishing.

Covey, Stephen R. (1989). "The 7 Habits of Highly Effective People". New York, NY: Simon and Schuster.

Frankl, V.E. (1962, 1963). "Man’s Search for Meaning". Boston, MA: Beacon Press.

Glasser, William (1998). "Choice Theory: A New Psychology of Personal Freedom". New York, NY: Harper-Collins.

Goleman, Daniel (1995). "Emotional Intelligence: Why It Can Matter More Than IQ". New York, NY: Bantam Books.

Kuhn, Thomas S. (1970). "The Structure of Scientific Revolutions". Chicago, IL: University of Chicago Press.

Mehrabian, Albert (1971). "Silent Messages". Belmont, CA: Wadsworth.

Mehrabian, Albert (1972). "Nonverbal Communication". Chicago, IL: Aldine Atherton.

Pransky, George S. (1991), "The Relationship Handbook: A Simple Guide to More Satisfying Relationships". New York, NY: McGraw-Hill.

Satir, Virginia (1972). "Peoplemaking". Palo Alto, CA: Science and Behavior Books, Inc.

Stoltz, Paul G. (1997, 1999). "Adversity Quotient - Turning Obstacles Into Opportunities". Indianapolis, IN