| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Be Your Own Brand: A Breakthrough Formula for Standing Out from the Crowd | 978-1-57675-141-1 (1-57675-141-4) | 2002 | David McNally · Karl D Speak |
K S · Karel Sovak · Karl D Speak · Karl Sabbagh · Karl Schoeppach · Karl Seebach · Karl Siebig · Karl Spiehs