DeMarr, B. J. J. (2013). Negotiation and Dispute Resolution. Pearson.
Lua i Stíl Chicago (17ú heag.)DeMarr, Beverly J.; Janasz. Negotiation and Dispute Resolution. Noida: Pearson, 2013.
Lua MLA (9ú heag.)DeMarr, Beverly J.; Janasz. Negotiation and Dispute Resolution. Pearson, 2013.
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