| title | media type | ISBN-13 | year of publica- tion |
|---|---|---|---|
| Spies for Hire: The Secret World of Intelligence Outsourcing | Hardcover | 978-0-7432-8224-6 | 2008 |
| Spies for Hire: The Secret World of Intelligence Outsourcing | Audio CD | 978-1-4001-0772-8 | 2008 |
| Spies for Hire: The Secret World of Intelligence Outsourcing | " | 978-1-4001-3772-5 | 2008 |
| Spies for Hire: The Secret World of Intelligence Outsourcing | " | 978-1-4001-5772-3 | 2008 |