Denis Waitley
La Psicología del éxito para mujeres
Wordmaster: Improve Your Word Power
Psychology of Success : Finding Meaning in Work and Life
Seeds of Greatness: 10 Best Kept Secrets of Total Success
Seeds Of Greatness
Psychology of Winning/Cassette
The Seven Sacred Truths: A Lifetime of Wisdom While You're Young Enough to Enjoy It! (Your Coach In A Box)
Developing Winner's Habits
The Psychology of Winning
The Joy of Working: A System to Success, Wealth, and Happiness on the Job
Psychology of Success: Developing Your Self-Esteem