| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Practical English Handbook | 978-0-618-04301-9 (0-618-04301-2) | 2000 | Floyd C. Watkins · William B. Dillingham |
| Practical English Workbook, 7th Edition | 978-0-618-04302-6 (0-618-04302-0) | 2000 | Floyd C. Watkins · William B. Dillingham · Matthew G. Hearn · Byron K. Brown |