Mattock, J. (1998). How to be a better negotiator. Kogan page India.
Cita Chicago (17th ed.)Mattock, John. How to Be a Better Negotiator. New Delhi: Kogan page India, 1998.
Cita MLA (9th ed.)Mattock, John. How to Be a Better Negotiator. Kogan page India, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.