| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Quangocratization: Trends, causes and consequences = Verzelfstandiging: trends, oorzaken en gevolgen | 978-90-393-2342-7 (90-393-2342-9) | 2000 |
| Quangos: Trends, Causes and Consequences | 978-1-138-72874-5 (1-138-72874-8) | 2017 |
| Research Methods in Public Administration and Public Management: An Introduction | 978-0-415-65582-8 (0-415-65582-X) | 2014 |