Cambridge University Press · Routledge
| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Mercenaries in Asymmetric Conflicts | Paperback | 978-1-107-67977-1 | 2014 |
| Mercenaries in Asymmetric Conflicts | Hardcover | 978-1-107-02691-9 | 2012 |
| Private Security Companies during the Iraq War | Paperback | 978-1-138-89340-5 | 2017 |
| Private Security Companies during the Iraq War: Military Performance and the Use of Deadly Force | Hardcover | 978-1-138-84426-1 | 2016 |