Stone, D., Patton, B., & Heen, S. (1999). Difficult conversations: How to discuss what matters most. Viking.
Chicago (17e ed.) BronvermeldingStone, Douglas, Bruce Patton, en Sheila Heen. Difficult Conversations: How to Discuss What Matters Most. New York, N.Y.: Viking, 1999.
MLA (8e ed.) BronvermeldingStone, Douglas, et al. Difficult Conversations: How to Discuss What Matters Most. Viking, 1999.
Let op: Deze citaties zijn niet altijd 100% accuraat.