Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.