BNA International Inc. · Spiramus Press
| title | ISBN-13 (ISBN-10)  | year of publication | 
|---|---|---|
| Analysing Article 7: Impact on PEs in Nine Major Trading Nations | 978-0-906524-41-1 (0-906524-41-5)  | 2007 | 
| Taxation of Permanent Establishments: An International Perspective | 978-1-904905-45-5 (1-904905-45-5)  | 2006 |