| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Interaction between World Trade Organisation Law and External International Law | 978-0-415-85956-1 (0-415-85956-5) | 2013 |
| The Interaction Between WTO Law and External International Law: The Constrained Openness of WTO Law | 978-0-415-56516-5 (0-415-56516-2) | 2011 |