| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Form Your Own Corporation, Fifth Edition | 978-1-57248-516-7 (1-57248-516-7) | 2006 | III, Arthur Sartorius · Mark Warda |
K. Eckert · Klaus Eckardt · Klaus Eckert · Klaus Eckhardt · W. Kelsea Eckert