| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Contemporary Business Statistics | 978-0-13-369182-5 (0-13-369182-9) | 1997 | Seig A. Hummelbrunner · J. Gray |
| Contemporary Business Statistics with Canadian Applications, Third Canadian Edition | 978-0-13-121581-8 (0-13-121581-7) | 2003 | S. A. Hummelbrunner · Peter Fortura · Patrick Taylor |