| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| The Unwritten Laws of Business | Hardcover | 978-1-78125-338-0 | 2014 | James Skakoon |
| The Unwritten Laws of Business | Paperback | 978-1-60796-028-7 | 2008 | |
| The Unwritten Laws of Business | " | 978-1-84668-042-7 | 2008 | James Skakoon |
| The Unwritten Laws of Business | Hardcover | 978-0-385-52126-0 | 2007 | James G. Skakoon |
| The Unwritten Laws of Business | Audio CD | 978-1-4001-0346-1 | 2007 | " |
| The Unwritten Laws of Business | " | 978-1-4001-3346-8 | 2007 | " |
| The Unwritten Laws of Business | MP3 CD | 978-1-4001-5346-6 | 2007 | " |
| The Unwritten Laws of Business | Hardcover | 978-1-84668-037-3 | 2007 | James Skakoon |
| The Unwritten Laws of Engineering | Paperback | 978-0-317-33632-0 | 1944 | |
| The Unwritten Laws of Engineering | " | 978-0-7918-0641-8 | 1944 | |
| Unwritten Laws of Engineering: Revised and Updated Edition | " | 978-0-7918-0162-8 | 2001 | James G. Skakoon |
J.K · J. King · W.J. · W. K. · W. King
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