Stone, D., Patton, B., & Heen, S. (2011). Difficult conversations: How to discuss what matters most (Updated tenth anniversary edition.). Portfolio Penguin.
Chicago-Zitierstil (17. Ausg.)Stone, Douglas, Bruce Patton, und Sheila Heen. Difficult Conversations: How to Discuss What Matters Most. Updated tenth anniversary edition. London: Portfolio Penguin, 2011.
MLA-Zitierstil (9. Ausg.)Stone, Douglas, et al. Difficult Conversations: How to Discuss What Matters Most. Updated tenth anniversary edition. Portfolio Penguin, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.