Reinhild Werkmeister · Romuald Warakomski · Ronald W. · Ronald Worsham
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Basic Business Arithmetic | Hardcover | 978-0-07-084211-3 (0-07-084211-6) | 1976 |
| Basic Business Arithmetic | Paperback | 978-0-07-094254-7 (0-07-094254-4) | 1971 |
| Business calculations | Hardcover | 978-0-07-084245-8 (0-07-084245-0) | 1979 |