Hayes , J. (2003). Interpersonal skills at work. Vikas Pub.
Chicago-čujuhus (17. p.)Hayes , John. Interpersonal Skills at Work. New Delhi: Vikas Pub, 2003.
MLA-čujuhus (9. p.)Hayes , John. Interpersonal Skills at Work. Vikas Pub, 2003.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.