| Titel | ISBN-13 (ISBN-10) | Erschei- nungsjahr | andere Autoren |
|---|---|---|---|
| The World of Organic Agriculture: Statistics & Emerging Trends 2011 | 978-3-03736-192-4 (3-03736-192-1) | 2011 | Helga Willer |
| The World of Organic Agriculture. Statistics and Emerging Trends 2009. | 978-3-03736-036-1 (3-03736-036-4) | 2009 | " |