Comfort, J., & Utley, D. (1998). Effective negotiating. Oxford: Oxford University Press.
Čikaški stil citiranjaComfort, Jeremy., i Derek Utley. Effective Negotiating. Oxford: Oxford University Press, 1998.
MLA način citiranjaComfort, Jeremy., i Derek Utley. Effective Negotiating. Oxford: Oxford University Press, 1998.
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