Cita APA (7th ed.)

Fells, R. (2010). Effective Negotiation. Cambridge University Press.

Cita Chicago (17th ed.)

Fells, Ray. Effective Negotiation. New Delhi: Cambridge University Press, 2010.

Cita MLA (9th ed.)

Fells, Ray. Effective Negotiation. Cambridge University Press, 2010.

Atenció: Aquestes cites poden no estar 100% correctes.