Gallagher, R. S. (2009). How to tell anyone anything: Breakthrough techniques for handling difficult conversations at work. American Management Association.
Chicago-Zitierstil (17. Ausg.)Gallagher, Richard S. How to Tell Anyone Anything: Breakthrough Techniques for Handling Difficult Conversations at Work. New York: American Management Association, 2009.
MLA-Zitierstil (9. Ausg.)Gallagher, Richard S. How to Tell Anyone Anything: Breakthrough Techniques for Handling Difficult Conversations at Work. American Management Association, 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.