- Cărți electroniceThe Speaker’s Quick Guide to Telling Better StoriesDavid P. Otey
- Cărți electroniceThe Speaker's Quick Guide to Technical PresentationsDavid P. Otey
- Cărți electroniceSerie: The Speaker's Quick GuideDavid P. Otey
- Cărți electroniceThe Speaker’s Quick Guide to Presenting with ConfidenceDavid P. Otey