McCarthy, A. (2015). Advanced negotiation techniques. California: Apress.
Dyfyniad Arddull ChicagoMcCarthy, Alan. Advanced Negotiation Techniques. California: Apress, 2015.
Dyfyniad MLAMcCarthy, Alan. Advanced Negotiation Techniques. California: Apress, 2015.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.