Harvard Business School Press. (2005). Essentials of Negotiation. Harvard Business School Press.
Dyfyniad Arddull ChicagoHarvard Business School Press. Essentials of Negotiation. Boston: Harvard Business School Press, 2005.
Dyfyniad MLAHarvard Business School Press. Essentials of Negotiation. Harvard Business School Press, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.