| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Public Speaking & Responsibility in a Changing World | 978-0-7575-9708-4 (0-7575-9708-4) | 2013 | IGE DOROTHY W K |
| Public Speaking AND Responsibility in a Changing World | 978-1-4652-7112-9 (1-4652-7112-0) | 2015 | " |
| Public Speaking AND Responsibility in a Changing World | 978-1-4652-3143-7 (1-4652-3143-9) | 2013 | " |