Improving business communication skills
Roebuck Deborah BrittKniha
Citace v seznamu literatury:
ROEBUCK, Deborah Britt. Improving business communication skills. 4th ed. Upper Saddle River, N.J.: Pearson Prentice Hall, c2006. ISBN 0131184598. Dostupné také z: http://www.loc.gov/catdir/toc/ecip056/2005000877.html.