Dyfyniad APA

 Weiss, J. (2016).  HBR guide to negotiating.  Harvard Business Review Press.

Dyfyniad Arddull Chicago

 Weiss, Jeff.  HBR Guide to Negotiating.  Harvard Business Review Press, 2016.

Dyfyniad MLA

 Weiss, Jeff.  HBR Guide to Negotiating.  Harvard Business Review Press, 2016.

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