B. A. · B. Allen · M.A. · M. Allen · M.B.A.
Crisp Publications · John Wiley & Sons · Your Coach in a Box · ダイヤモンド社
| title | ISBN-13 | year of publica- tion |
|---|---|---|
| Listening: A Self-Teaching Guide | 978-0-471-01587-1 | 1995 |
| Listening: The Forgotten Skill | 978-4-478-00097-7 | 1995 |
| Listening: The Forgotten Skill: A Self-Teaching Guide | 978-1-59659-079-3 | 2007 |
| Managing Assertively: A Self-Teaching Guide | 978-0-471-03971-6 | 1995 |
| Memory Skills in Business | 978-0-931961-56-4 | 1995 |