APA (7th ed.) Zitazioa
Spangle, M. (2003). Negotiation: Communication for diverse settings. Sage.
Chicago Style (17th ed.) Zitazioa
Spangle, Michael. Negotiation: Communication for Diverse Settings. Thousand Oaks, CA: Sage, 2003.
MLA (9th ed.) Zitazioa
Spangle, Michael. Negotiation: Communication for Diverse Settings. Sage, 2003.
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