| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Beginning Statistics | 978-0-07-072840-0 | 1976 | Gene Zirkel |
| Intermediate Algebra | 978-0-697-16401-8 | 1994 | Dennis T. Christy |
| Managing Organisations | 978-0-07-710416-0 | 2006 | David C. Wilson |
| Managing Organisations | 978-0-07-710843-4 | 2004 | |
R. H. · R.R. · R. Rosenfeld · Robert H. · Robert R. · Robert Rosenfeld