| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Comunicare Subito | 978-88-85055-06-3 (88-85055-06-0) | Piva · Humphris | |
| Volare | 978-88-7223-053-4 (88-7223-053-5) | ||
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