Booher, D. D. (2013). Communicate with confidence!: How to say it right the first time and every time. [Booher Research Institute].
Chicago-Zitierstil (17. Ausg.)Booher, Dianna Daniels. Communicate with Confidence!: How to Say It Right the First Time and Every Time. [Place of publication not identified]: [Booher Research Institute], 2013.
MLA-Zitierstil (9. Ausg.)Booher, Dianna Daniels. Communicate with Confidence!: How to Say It Right the First Time and Every Time. [Booher Research Institute], 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.