W. B. · W H · Walter B. · Walter H.
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Leadership from the Inside Out | Paperback | 978-1-59781-524-6 (1-59781-524-1) | 2005 |
| Leadership from the Inside Out | Hardcover | 978-1-59781-525-3 (1-59781-525-X) | 2005 |