De Queiroz · G D · S D · S. G.
Graphic Arts Center Publishing Company · Kuperard
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Culture Smart! Portugal | 978-1-55868-915-2 (1-55868-915-X) | 2005 |
| Portugal - Culture Smart! The Essential Guide to Customs & Culture | 978-1-85733-332-9 (1-85733-332-2) | 2005 |