J J · John J. · John J. Nitti Ph.D. · John N.
Barrons Educational Series · Barrons Educational Series Inc
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| 501 Portuguese Verbs | 978-1-4380-0523-2 | 2015 | Michael J. Ferreira |
| 501 Portuguese Verbs | 978-0-7641-2916-2 | 2005 | " |
| 501 Portuguese Verbs: Fully Conjugated in All the Tenses in a New Easy-To-Learn Format Alphabetically Arranged | 978-0-8120-9034-5 | 1995 | " |
| Travelwise Portuguese | 978-0-7641-0391-9 | 1998 | Jose A. Palma Caetano |