| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Century 21 Accounting: Foreign Exchange Translation Service | 978-0-538-67676-2 | 1998 | Kenton E. Ross · Mark W. Gilbertson |
| Century 21 Accounting Foreign Exchange Translation Service: An Automated Business Simulation | 978-0-538-67707-3 | 1998 | Kenton E. Ross · Mark W. Gilbertson |
| Century 21 Accounting: General Journal Working Papers Chapters 1-26 | 978-0-538-67672-4 | 1998 | Kenton E. Ross · Mark W. Gilbertson |
| Century 21 Accounting: Multicolumn Journal Working Papers Chapters 1-17 | 978-0-538-67700-4 | 1998 | Kenton E. Ross · Mark W. Gilbertson |
R.D. · R. L · Robert D. · Robert L. · Robert Lehman