Stone, D., Patton, B., & Heen, S. (1999). Difficult conversations: How to discuss what matters most. Viking.
Dyfyniad Arddull ChicagoStone, Douglas, Bruce Patton, and Sheila Heen. Difficult Conversations: How to Discuss What Matters Most. New York, N.Y.: Viking, 1999.
Dyfyniad MLAStone, Douglas, et al. Difficult Conversations: How to Discuss What Matters Most. Viking, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.