Volkema, R. J. (2008). Negotiation toolkit: How to get exactly what you want in any business or professional situation.
Citação norma ChicagoVolkema, Roger J. Negotiation Toolkit: How to Get Exactly What You Want in Any Business or Professional Situation. PHI learning Private Ltd, 2008.
Citação norma MLAVolkema, Roger J. Negotiation Toolkit: How to Get Exactly What You Want in Any Business or Professional Situation. 2008.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.