Nierenberg, J. (2003). The secrets of successful negotiation: Effective strategies to improve your negotiating skills. Duncan Baird.
Dyfyniad Arddull ChicagoNierenberg, Juliet. The Secrets of Successful Negotiation: Effective Strategies to Improve Your Negotiating Skills. London: Duncan Baird, 2003.
Dyfyniad MLANierenberg, Juliet. The Secrets of Successful Negotiation: Effective Strategies to Improve Your Negotiating Skills. Duncan Baird, 2003.
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