B. L. · B. Langford · Beverly Langford
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Communication Skills & Strategies: Guidelines for Managers at Work | 978-0-538-83520-6 (0-538-83520-6) | 1994 | Jerry A. Dibble |
| The Etiquette Edge: The Unspoken Rules For Business Success | 978-0-8144-7242-2 (0-8144-7242-7) | 2005 | |