Howard, John, David Cunningham, and Peter Rechnitzer. Rusting Out, Burning Out, Bowing Out: Stress and Survival on the Job, Toronto, Ontario: Financial Post Books, 1978. p. 87. This book is currently out of print, however, you may be able to find it in your library or order it from a used bookseller.
Meichenbaum, D.H. "Enhancing Creativity by Modifying What Subjects Say to Themselves." American Education Research Journal, Vol. 12, 1975, p. 129–145.
Waldo, Kenneth. Think On Your Feet, Englewood Cliffs, N.J.: Prentice Hall, Inc., 1981.
Yvonne Dolan is an author, presenter, and therapist. She has specialized in helping people overcome the devastating effects of sexual abuse.
Paulson, Terry. 50 Tips for Speaking Like a Pro. Menlo Park, Calif.: Crisp Publications, 1999, pp. 82–3.