Dyfyniad APA

Stone Douglas, Heen, S., & Patton Bruce. (1999). Difficult conversations: How to discuss what matters most. Penguin Books.

Dyfyniad Arddull Chicago

Stone Douglas, Sheila Heen, and Patton Bruce. Difficult Conversations: How to Discuss What Matters Most. New York: Penguin Books, 1999.

Dyfyniad MLA

Stone Douglas, et al. Difficult Conversations: How to Discuss What Matters Most. Penguin Books, 1999.

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