| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The 7 Habits of Highly Effective Marriage | 978-1-933976-66-2 (1-933976-66-7) | 2008 | Sandra Covey · Jane Covey · Stephen R. Covey |
D.C. · D. J. · Dr. John · J C · J. Covey · John C. · John Covey