| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Process Improvement for Effective Budgeting and Financial Reporting | 978-0-471-28114-6 (0-471-28114-X) | 2003 | Christopher J. Eichorn · Corey S. Barak · Toby Prince |
| Secrets of the Executive Search Experts | 978-0-8144-0495-9 (0-8144-0495-2) | 1999 | Christian Schoyen |