Comfort, J. (1996). Effective negotiating: Teacher's book. Oxford: Oxford University Press.
Trích dẫn kiểu ChicagoComfort, Jeremy. Effective Negotiating: Teacher's Book. Oxford: Oxford University Press, 1996.
Deismireacht MLAComfort, Jeremy. Effective Negotiating: Teacher's Book. Oxford: Oxford University Press, 1996.
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