Fells, R. (2010). Effective Negotiation. Cambridge University Press.
Chicago-čujuhus (17. p.)Fells, Ray. Effective Negotiation. New Delhi: Cambridge University Press, 2010.
MLA-čujuhus (9. p.)Fells, Ray. Effective Negotiation. Cambridge University Press, 2010.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.