B.S. · R. B · R. S. · Rod Southworth
| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Disc Operating System: Complete and Simplified | Paperback | 978-0-538-91225-9 | 1990 |
| PC-DOS/M.S.-DOS Simplified | Taschenbuch | 978-0-538-91187-0 | 1991 |
| PC-DOS/M.S.-DOS Simplified | Paperback | 978-0-538-91186-3 | 1990 |
| PC-DOS/M.S.-DOS Simplified | " | 978-0-538-91023-1 | 1988 |