Strategic organizational communication : In a global economy 
Conrad, Charles...et.al. 
 - 5th Edition. 
 -  Thomson.  2002 
 - xiv, 459 pages 
0-15-506348-0
Communication in management.
302.2 C76c 2002
                        0-15-506348-0
Communication in management.
302.2 C76c 2002