Marsh, P. D. V. (2001). Contract negotiation handbook (3rd ed.). Gower.
Cita Chicago (17th ed.)Marsh, P. D. V. Contract Negotiation Handbook. 3rd ed. Burlington, VT: Gower, 2001.
Cita MLA (8th ed.)Marsh, P. D. V. Contract Negotiation Handbook. 3rd ed. Gower, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.