| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Marketing and Essential Math Skills | 978-0-538-68338-8 (0-538-68338-4) | 1998 | |
| Marketing and Essential Math Skills - Student Text with Macintosh Template Disk | 978-0-538-68368-5 (0-538-68368-6) | 1998 | |
| Superior Customer Service: Text-Workbook | 978-0-538-62868-6 (0-538-62868-5) | 1995 | Donna Crow |