Jeremy Comford. (1998). Effective negotiating. Oxford: Oxford Univ. Press.
Dyfyniad Arddull ChicagoJeremy Comford. Effective Negotiating. Oxford: Oxford Univ. Press, 1998.
Dyfyniad MLAJeremy Comford. Effective Negotiating. Oxford: Oxford Univ. Press, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.