Alan Yates · Gareth/ Yates, Alan/ Dawn, Chris Purnell · J. Yates Alan J. Yates
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Catalan Course Ty App | 978-1-4441-9082-3 (1-4441-9082-2) | 2013 |
| Complete Catalan Teach Yourself | 978-1-4441-7301-7 (1-4441-7301-4) | 2012 |