Lesikar Raymond Vincent <br/><br/>
Lesikars Basic Business Communication Raymond V Lesikar John D Pettit And Marie E Flatley 

 -  Boston : Irwin/Mcgraw-Hill C1999. 
 - 613 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>0072929901 (Alk. Paper)