| Author(s) | Title | Year | Reference | Language | Note |
|---|---|---|---|---|---|
| Loos, Marco | Service contracts | 2011 | [contained in] Towards a European Civil Code, edited by Arthur Hartkamp, Martijn Hesselink, Ewoud Hondius, Chantal Mak, Edgar du Perron, Wolters Kluwer Law & Business, Fourth Revised and Expanded Edition | English | |
| Kieninger, Eva-Maria | Die Vollharmonisierung des Rechts der Allgemeinen Geschäftsbedingungen - eine Utopie? | 2009 | RabelsZ bd.73 (2009), 793 | German |