De zeven eigenschappen van effectief leiderschap
2011
The 7 Habits of Highly Effective People Personal Workbook
2004
Timemanagement volgens Covey
2011
De zeven eigenschappen voor succes in je leven
2014
The 7 Habits of Highly Effective People
2020
The 7 Habits of Highly Effective People: Powerful Lessons in Personal Change
2004
The 7 Habits of Highly Effective People (Unabridged)
2012
The 7 Habits of Highly Effective People & the 8th Habit (Abridged)
2012
The 7 Habits Of Highly Effective People (Abridged)
2000
The 7 Habits of Highly Effective People (Unabridged)
2020
Let's Get Real or Let's Not Play: Transforming the Buyer/Seller Relationship (Unabridged)
2019
The 8th Habit (Live)
2005