Comfort, J. (2011). Effective negotiating: Oxford business english skills. Oxford: Oxford University Press.
Dyfyniad Arddull ChicagoComfort, Jeremy. Effective Negotiating: Oxford Business English Skills. Oxford: Oxford University Press, 2011.
Dyfyniad MLAComfort, Jeremy. Effective Negotiating: Oxford Business English Skills. Oxford: Oxford University Press, 2011.
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