| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Lonely Planet Portuguese Phrasebook & Dictionary | 978-1-78657-462-6 (1-78657-462-4) | 2018 | Lonely Planet · Yukiyoshi Kamimura · Robert Landon |
| Lonely Planet Portuguese Phrasebook & Dictionary | 978-1-74104-740-0 (1-74104-740-4) | 2012 | Lonely Planet · Robert Landon |