Ilich, J. (1992). Dealbreakers and breakthroughs: The ten most common and costly negotiation mistakes and how to overcome them. Wiley.
Cita Chicago (17th ed.)Ilich, John. Dealbreakers and Breakthroughs: The Ten Most Common and Costly Negotiation Mistakes and How to Overcome Them. New York: Wiley, 1992.
Cita MLA (9th ed.)Ilich, John. Dealbreakers and Breakthroughs: The Ten Most Common and Costly Negotiation Mistakes and How to Overcome Them. Wiley, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.