[de] Überzeugt! Campus-Verlag
[de] Führen Leisten Leben Campus Verlag GmbH
[nl] De zeven eigenschappen van effectief leiderschap Business Contact
[en] 10 Steps to Mastering Stress · A Lifestyle Approach, Updated Edition Oxford University Press, USA
[en] 168 Hours · You Have More Time Than You Think Portfolio
[en] Taming Your To-Do List Revell
[en] The Power of Significance Center Street
[en] The Headspace Guide to Meditation and Mindfulness St. Martin's Griffin
[en] Healing the Angry Brain · How Understanding the Way Your Brain Works Can Help You Control Anger and Aggression New Harbinger Publications
[en] The Power of Your Leadership Center Street
[en] The Disciplined Life Baker Publishing Group
[en] Free to Focus Baker Books
[en] Stress-Proof Brain New Harbinger Publications
[en] Suddenly Frugal · How to Live Happier and Healthier for Less Adams Media
[en] Who Moved My Cheese? Simon & Schuster
[en] The Procrastination Cure · 7 Steps to Stop Putting Life Off Career Press