| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Mit Menschen - Mitmenschen | 978-3-033-00794-9 (3-033-00794-5) | 2006 | ||
| Vacation Ownership Sales Training: The One-on-One Successful Training Guide for the First Year of Timeshare Sales | 978-0-595-19543-5 (0-595-19543-1) | 2001 | Rita Bruegger | |
R.B. · Rita M. Bruegger · Rudy Burckhardt · Ruth Berger · Ruth Borchard · Ruth Borchardt