| 978-9978-986-01-1 | ¡Listen! book 1 | SPEAK ENGLISH ENTERPRISES | Peter Gravier
Peter Harrington
Stefano Posieri
| 2003 |
| 978-9978-986-03-5 | ¡Listen! book 2 | SPEAK ENGLISH ENTERPRISES | Peter Harrington
Peter Gravier
Stefano Posieri
| 2003 |
| 978-9978-986-04-2 | ¡Listen! book 3 | SPEAK ENGLISH ENTERPRISES | Peter Gravier
Peter Harrington
Stefano Posieri
| 2003 |
| 978-9978-986-06-6 | Listen! Book 1A | SPEAK ENGLISH ENTERPRISES | Peter Gravier
Peter Harrington
Stefano Posieri
| 2003 |
| 978-9978-986-07-3 | ¡Listen! book 1B | SPEAK ENGLISH ENTERPRISES | Peter Gravier
Peter Harrington
Stefano Posieri
| 2003 |
| 978-9978-986-08-0 | ¡Listen! book 2A | SPEAK ENGLISH ENTERPRISES | Peter Gravier
Peter Harrington
Stefano Posieri
| 2003 |
| 978-9978-986-09-7 | Listen ! book 2B | SPEAK ENGLISH ENTERPRISES | Peter Gravier
Peter Harrington
Stefano Posieri
| 2003 |
| 978-9978-986-10-3 | ¡Listen! book 3A | SPEAK ENGLISH ENTERPRISES | Peter Gravier
Peter Harrington
Stefano Posieri
| 2003 |
| 978-9978-986-11-0 | ¡Listen ! book 3B | SPEAK ENGLISH ENTERPRISES | Peter Gravier
Peter Harrington
Stefano Posieri
| 2003 |