| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | 
|---|---|---|---|---|
| Spain:A Guide to Political and Economic Institutions | Hardcover | 978-0-521-30032-2 (0-521-30032-0) | 1987 | Michael T. Newton | 
| Spain:A Guide to Political and Economic Institutions | Paperback | 978-0-521-31734-4 (0-521-31734-7) | 1987 | " |