J. asli; Key to success;the 17 principles of personal achievement.
Bibl. J. asli: The Achievement factors.
J. asli: Simplify your life: 100 ways to slow down and enjoy the things that really matter.
J.asli: 60 ways to let yourself grow.
J. asli: You can if you think you can.
J. asli: How to live 365 days a year.
J. asli: Personality plus.
Indeks.